In this video we complete an AC or Small Signal Analysis of the Electro-Harmonix Big Muff Pi Pedal aka EHX BMP, Output Stage. A Common Emitter Amplifier with Voltage Divider Bias and Emitter Degeneration Resistor.
00:00 Introduction
00:48 AC Analysis
01:42 Simplify the AC Circuit
05:24 Hybrid Pi Model - Zin and Gain
18:04 Calculating Zout
21:19 How to Measure Zin and Out
23:59 Measuring Zin
24:45 Measuring Zout
25:51 Measuring Sovtek Zout
26:57 Measuring Gain
27:56 Calculating fc
30:30 Measuring fc
31:44 Summary
Kit Rae’s excellent BMP Page:
tinyurl.com/3pv5rd7r
Falstad Video Tutorial:
• Introduction to using ...
Falstad BMP Emulation File:
tinyurl.com/bddwa99w