lec5---- cs with source resistance

# lec5---- cs with source resistance - = τ The Common Source...

This preview shows pages 1–12. Sign up to view the full content.

Frequency Response of CD Amplifier

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Frequency Response of CD Amplifier Common Drain Amplifier High frequency equivalent circuit.
Frequency Response of CD Amplifier Open Circuit time constant method Consider Capacitor sig gd R R = gd C

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Frequency Response of CD Amplifier Consider Capacitor Apply a test voltage source gs C ' ' 1 L m L sig gs R g R R R + + =
Frequency Response of CD Amplifier Consider Capacitor L C o L C R R R L || =

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Frequency Response of CD Amplifier The upper 3dB frequency is given by: Where H H f πτ 2 1 = L C L gs gs gd gd H R C R C R C +

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: + = τ The Common Source Amplifier with Source Resistance Common Source with Source Resistance Midband Gain Midband Gain = Open Circuit Time Constant Req for Cgs IX + 1 2 Vs Vg Common Source with Source Resistance 1 2 3 Vg Vgs Vo 4 Ix Mid-band Gain = Rs (Ω) AM V/V Rgs (kΩ) Rgd (kΩ) ? H (k Rad/s) Gain BW M Rad/s-20 100 2105 453.5 9.07 100-14.3 71.5 1534 623 8.91 250-10 50.1 1105 865.7 8.66 Common Source with Source Resistance...
View Full Document

## This note was uploaded on 10/18/2011 for the course ELECTRICAL 12 taught by Professor Mamamia during the Spring '10 term at College of E&ME, NUST.

### Page1 / 12

lec5---- cs with source resistance - = τ The Common Source...

This preview shows document pages 1 - 12. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online