Hi,
I was looking for IPS, which would nicely suite push-pull VAS, and came up with an idea to rotate half of differential input (IPS-A). First simulations seems interesting but I couldn't find any info. There is no point in reinventing the wheel, so any indication/name of such IPS/comments would be very helpful. Thanks.
Stanislaw
Schematics and FFTs attached (initial idea validation):
I was looking for IPS, which would nicely suite push-pull VAS, and came up with an idea to rotate half of differential input (IPS-A). First simulations seems interesting but I couldn't find any info. There is no point in reinventing the wheel, so any indication/name of such IPS/comments would be very helpful. Thanks.
Stanislaw
Schematics and FFTs attached (initial idea validation):
- 2nd harmonic is higher but it doesn't require additional circuitry to move signal to opposite rail (IPS-A vs. IPS-C),
- part of it is probably generated by Beta differences (not optimal transistors),