Bored with all the common microphone circuits?
External powered solid state idea(not built)
Positive ground. Like some Rode transformerless microphones so you can use electrolytic caps at the output with or without phantom on. Noticed this when I traced a NTK/K2 microphone some years ago
Differential input (issue differential input has more noise than single input)
Followers like used in some Sony microphones
Some parts should be matched.
Can add matched CCs in the follower source/emitter leg in place of the resistors.
Resistor and caps values can be changed in some places for input resistance and capsule loading
Will it do anything much different or "better"? I don't know I have not built it yet Right now it is just something different.
Sometimes I draw up different ways to build a microphone circuit trying to do things a little different. This does not mean they are any better than what has been done just different.
Discuss
External powered solid state idea(not built)
Positive ground. Like some Rode transformerless microphones so you can use electrolytic caps at the output with or without phantom on. Noticed this when I traced a NTK/K2 microphone some years ago
Differential input (issue differential input has more noise than single input)
Followers like used in some Sony microphones
Some parts should be matched.
Can add matched CCs in the follower source/emitter leg in place of the resistors.
Resistor and caps values can be changed in some places for input resistance and capsule loading
Will it do anything much different or "better"? I don't know I have not built it yet Right now it is just something different.
Sometimes I draw up different ways to build a microphone circuit trying to do things a little different. This does not mean they are any better than what has been done just different.
Discuss