E3005 - Amali 1
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Amali 1 : Penjana Gelombang Objektif : 1.
Membina litar penjana gelombang menggunakan IC Pemasa 555
Peralatan : 1. LED x 2 2. Perintang i. R2 = 390 Ω x 2 ii. R3 = 10 KΩ iii. R4 = 1.5 KΩ 3. Variable resistor 10 KΩ 4. Kapasitor 10 µF 5. IC Timer 555 6. Unit Bekalan Kuasa Langkah : 1. 2. 3. 4.
Sambung litar seperti gambarajah di bawah ON kan bekalan kuasa Laraskan Variable resistor (VR), perhatikan kesannya Pasang satu lagi LED dan perintang (R2)di antara terminal A dan B
Gambarajah Litar
A R4
4 B
VR
8 7
3
R3
Timer 555 R2
+9V
6 2 C2 0V
Membina litar penjana gelombang menggunakan IC Pemasa 555
Peralatan : 1. LED x 2 2. Perintang i. R2 = 390 Ω x 2 ii. R3 = 10 KΩ iii. R4 = 1.5 KΩ 3. Variable resistor 10 KΩ 4. Kapasitor 10 µF 5. IC Timer 555 6. Unit Bekalan Kuasa Langkah : 1. 2. 3. 4.
Sambung litar seperti gambarajah di bawah ON kan bekalan kuasa Laraskan Variable resistor (VR), perhatikan kesannya Pasang satu lagi LED dan perintang (R2)di antara terminal A dan B
Gambarajah Litar
A R4
4 B
VR
8 7
3
R3
Timer 555 R2
+9V
6 2 C2 0V
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