Lkm Penyearah Dan Catu Daya.docx

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5 poin

OLEH NAMA STAMBUK KELOMPOK ASISTEN

: : : :

LABORATORIUM PENDIDIKAN FISIKA FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS TADULAKO

I.

LEMBAR KERJA MAHASISWA DI LABORATORIUM (LKM) PERCOBAAN 3 PENYEARAH DAN CATU DAYA Waktu dan Tempat (3 poin) Hari/tanggal

: _______________________

Pukul

: _______________________

Tempat

: _______________________

II. Hasil Pengamatan (15 poin) 1. Penyearah setengah gelombang 

Input No.

F (Hz)

Volt/div (v)

Time/div (s)

PG (div)

TG (div)

F (Hz)

Volt/div (v)

Time/div (s)

PG (div)

TG (div)

1 2 3 

Output No. 1 2 3

NST osiloskop Kalibrasi

= =

Laboratorium Pendidikan Fisika

Halaman 2

2. Penyearah gelombang penuh 

Input No.

F (Hz)

Volt/div (v)

Time/div (s)

PG (div)

TG (div)

f (Hz)

Volt/div (v)

Time/div (s)

PG (div)

TG (div)

1 2 3 

Output No. 1 2 3

NST osiloskop = Kalibrasi = 3. Penyearah gelombang penuh bertapis 

Input No.

F (Hz)

Volt/div (v)

Time/div (s)

PG (div)

TG (div)

F (Hz)

Volt/div (v)

Time/div (s)

PG (div)

TG (div)

1 2 3 

Output No. 1 2 3

Laboratorium Pendidikan Fisika

Halaman 3

NST osiloskop Kalibrasi

= =

Keterangan : F = frekuensi PG = panjang gelombang TG = tinggi gelombang III. Analisa Data (40) 𝑽𝒑𝒑 = 𝑻𝑮 𝒙 𝑽𝒐𝒍𝒕/𝒅𝒊𝒗 𝒙 𝒌𝒂𝒍𝒊𝒃𝒓𝒂𝒔𝒊 𝑽𝒓𝒎𝒔 = 𝟏/𝟐√𝟐 𝒙 𝑽𝒑𝒑 𝑻 = 𝑷𝑮 𝒙 𝑻𝒊𝒎𝒆/𝒅𝒊𝒗 𝟏 𝒇= 𝑻

1. Untuk Penyearah setengah gelombang  input 1. Perlakuan ke-1 𝒇 𝑽𝒑𝒑

= = = 𝑽𝒓𝒎𝒔 = = 𝑻 = = 𝒇 = =

Hz

2. Perlakuan ke-2

Laboratorium Pendidikan Fisika

Halaman 4

𝒇 𝑽𝒑𝒑

= = = 𝑽𝒓𝒎𝒔 = = 𝑻 = = 𝒇 = =

Hz

3. Perlakuan ke-3 𝒇 𝑽𝒑𝒑

= = = 𝑽𝒓𝒎𝒔 = = 𝑻 = = 𝒇 = =

Hz

 Output 1. Perlakuan ke-1 𝒇

=

Hz

𝑽𝒑𝒑

= = 𝑽𝒓𝒎𝒔 = = 𝑻 = = 𝒇 = =

Laboratorium Pendidikan Fisika

Halaman 5

2. Perlakuan ke-2 𝒇 𝑽𝒑𝒑

= = = 𝑽𝒓𝒎𝒔 = = 𝑻 = = 𝒇 = =

Hz

3. Perlakuan ke-3 𝒇 𝑽𝒑𝒑

= = = 𝑽𝒓𝒎𝒔 = = 𝑻 = = 𝒇 = =

Hz

2. Untuk Penyearah gelombang penuh  Input 1. Perlakuan ke-1 𝒇 𝑽𝒑𝒑

= = = 𝑽𝒓𝒎𝒔 = = 𝑻 = =

Laboratorium Pendidikan Fisika

Hz

Halaman 6

𝒇

= =

2. Perlakuan ke-2 𝒇 𝑽𝒑𝒑

= = = 𝑽𝒓𝒎𝒔 = = 𝑻 = = 𝒇 = =

Hz

3. Perlakuan ke-3 𝒇 𝑽𝒑𝒑

= = = 𝑽𝒓𝒎𝒔 = = 𝑻 = = 𝒇 = =

Hz

 Output 1. Perlakuan ke-1 𝒇 𝑽𝒑𝒑

= = = 𝑽𝒓𝒎𝒔 = =

Laboratorium Pendidikan Fisika

Hz

Halaman 7

𝑻 𝒇

= = = =

2. Perlakuan ke-2 𝒇 𝑽𝒑𝒑

= = = 𝑽𝒓𝒎𝒔 = = 𝑻 = = 𝒇 = =

Hz

3. Perlakuan ke-3 𝒇 𝑽𝒑𝒑

= = = 𝑽𝒓𝒎𝒔 = = 𝑻 𝒇

Hz

= = = =

3. Untuk Penyearah gelombang penuh bertapis  Input 1. Perlakuan ke-1

Laboratorium Pendidikan Fisika

Halaman 8

𝒇 𝑽𝒑𝒑

= = = 𝑽𝒓𝒎𝒔 = = 𝑻 = = 𝒇 = =

Hz

2. Perlakuan ke-2 𝒇 𝑽𝒑𝒑

= = = 𝑽𝒓𝒎𝒔 = = 𝑻 = = 𝒇 = =

Hz

3. Perlakuan ke-3 𝒇 𝑽𝒑𝒑

= =

Hz

= 𝑽𝒓𝒎𝒔 = = 𝑻 = = 𝒇 = = 

Output

Laboratorium Pendidikan Fisika

Halaman 9

1. Perlakuan ke-1 𝒇 𝑽𝒑𝒑

= = = 𝑽𝒓𝒎𝒔 = = 𝑻 = = 𝒇 = =

Hz

2. Perlakuan ke-2 𝒇 𝑽𝒑𝒑

= = = 𝑽𝒓𝒎𝒔 = = 𝑻 = = 𝒇 = =

Hz

3. Perlakuan ke-3 𝒇 𝑽𝒑𝒑

= = = 𝑽𝒓𝒎𝒔 = = 𝑻 = =

Laboratorium Pendidikan Fisika

Hz

Halaman 10

𝒇

= =

IV. Analisis Konsep/Pertanyaan-pertanyaan (30 poin) 1. Tuliskan definisi penyearah ! .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. 2. Jelaskan fungsi alat dan bahan yang digunakan sesuai dengan percobaan yang dilakukan ! ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ...................................................................................................................... 3. Jelaskan prinsip kerja penyearah setengah gelombang ! .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. ..............................................................................................................................

Laboratorium Pendidikan Fisika

Halaman 11

……………………………………………………………………………… ……………………………………………………………………………… ……………………………………………………………………………… 4. Gambarkan sinyal output dari rangkaian penyearah setengah gelombang dan jelaskan proses terbentuknya sinyal output tersebut ! .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. 5. Jelaskan prinsip kerja penyearah gelombang penuh ! ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ……………………………………………………………………………… ………………………………………………………………………………

Laboratorium Pendidikan Fisika

Halaman 12

…………………………................................................................................ ........................................................................................................................ ……………………………………………………………………………… 6. Gambarkan sinyal output dari rangkaian penyearah gelombang penuh dan jelaskan proses terbentuknya sinyal output tersebut ! ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... 7. Jelaskan prinsip kerja penyearah gelombang penuh bertapis ! ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... .......................................................................................................................

Laboratorium Pendidikan Fisika

Halaman 13

....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... 8. Gambarkan sinyal output dari rangkaian penyearah gelombang penuh bertapis dan jelaskan proses terbentuknya sinyal output tersebut ! .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... .......................................................................................................................

Laboratorium Pendidikan Fisika

Halaman 14

....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... 9. Jelaskan pengaruh frekuensi, volt/div dan time/div terhadap gelombang output sesuai dengan data yang diperoleh ! .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. ....................................................................................................................... ....................................................................................................................... 10. Berapa nilai frekuensi rata-rata yang Anda peroleh berdasarkan perhitungan? Apakah nilai yang diperoleh sama dengan frekuensi pada literatur ? Jelaskan! ..............................................................................................................................

Laboratorium Pendidikan Fisika

Halaman 15

.............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... 11. Jelaskan apa saja kesalahan-kesalahan yang terjadi pada saat melakukan percobaan ini! Jelaskan pula cara mengatasi kesalahan tersebut! .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. ..............................................................................................................................

Laboratorium Pendidikan Fisika

Halaman 16

.............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. ..............................................................................................................................

Laboratorium Pendidikan Fisika

Halaman 17

V. Kesimpulan (7 poin): .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. .............................................................................................................................. ..............................................................................................................................

Laboratorium Pendidikan Fisika

Halaman 18

Palu, ………………………….., Mahasiswa

…………………………… Stambuk : Menyutujui: Koordinator Asisten Kelas

Asisten Praktikum

………………………………

…………………………………

Penilaian Asisten

Laboratorium Pendidikan Fisika

Halaman 19

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