Hi-fi-expander-with-de-emphasis


Posted on Oct 10, 2012

The expander to complement the compressor is shown. An external op amp is used for high slew rate. Both the compressor and expander have unity gain levels of 0 dB. Trim networks are shown for distortion (THD) and de shift. The distortion trim should be done first, with an input of 0 dB at 10 kHz. The de shift should be adjusted for minimum envelope bounce with tone bursts.


Hi-fi-expander-with-de-emphasis
Click here to download the full size of the above Circuit.

When applied to consumer tape recorders, the subjective performance oi this system is excellent.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Intercom circuit with LM380
AVR Inductance / Capacitance meter
video turret
ir remote control extender mark 5
170w audio power amplifier
Magnetic proximity switch
Mini efficient coil launcher from disposable camera flashs
Automatic coming/leaving home light
Hijack Alarm
Ultra High Sensitivity Metal Detector Circuit



Top