Class Notes Industrial Lec06

Telephone : PABX : 9661920-73/4980

DEPT. OF APPLIED PHYSICS, ELETRONICS & COMMUNICATION ENGINEERING UNIVERSITY OF DHAKA DHAKA-1000, BANGLADESH FAX: 880-2-8615583 E-MAIL: [email protected]

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November 05, 2008 Dated, the………………………….

Ref. No............................

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Telephone : PABX : 9661920-73/4980

DEPT. OF APPLIED PHYSICS, ELETRONICS & COMMUNICATION ENGINEERING UNIVERSITY OF DHAKA DHAKA-1000, BANGLADESH FAX: 880-2-8615583 E-MAIL: [email protected]

! "

November 05, 2008 Dated, the………………………….

Ref. No............................

I566

R

R2

66+ C

' R1

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1 2.5kHz × 0.05µF × ln 1 − 0.7 ' 566 ' $ 9 V P = ηVBB + VD ≈ ηVBB V BB =

VP

η

=

= 6.645kΩ

17.5V = 25V 0.7

10 10 4 = = 571.4Ω ηVBB 0.7 × 25V G " 566: 0 H . +I. -I. VBB So, R1 = − ( R2 + RBB ) leakage current 25V = − (571.4Ω + 4.5kΩ) = 979Ω 4mA

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Telephone : PABX : 9661920-73/4980

DEPT. OF APPLIED PHYSICS, ELETRONICS & COMMUNICATION ENGINEERING UNIVERSITY OF DHAKA DHAKA-1000, BANGLADESH FAX: 880-2-8615583 E-MAIL: [email protected]

! "

November 05, 2008 Dated, the………………………….

Ref. No............................

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f max

1

1 10.71kΩ × 0.05µF × ln 1 − 0. 7 1 = 1 Rmin × C × ln 1 −η =

1 7.93kΩ × 0.05µF × ln

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= 1.55kHz

= 2.1kHz 1 1 − 0.7 =#># 2

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Telephone : PABX : 9661920-73/4980

DEPT. OF APPLIED PHYSICS, ELETRONICS & COMMUNICATION ENGINEERING UNIVERSITY OF DHAKA DHAKA-1000, BANGLADESH FAX: 880-2-8615583 E-MAIL: [email protected]

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November 05, 2008 Dated, the………………………….

Ref. No............................ >

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Telephone : PABX : 9661920-73/4980

DEPT. OF APPLIED PHYSICS, ELETRONICS & COMMUNICATION ENGINEERING UNIVERSITY OF DHAKA DHAKA-1000, BANGLADESH FAX: 880-2-8615583 E-MAIL: [email protected]

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November 05, 2008 Dated, the………………………….

Ref. No............................

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Telephone : PABX : 9661920-73/4980

DEPT. OF APPLIED PHYSICS, ELETRONICS & COMMUNICATION ENGINEERING UNIVERSITY OF DHAKA DHAKA-1000, BANGLADESH FAX: 880-2-8615583 E-MAIL: [email protected]

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November 05, 2008 Dated, the………………………….

Ref. No............................

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