Audio amplifier 741 (CB20478E)

This low power audio amplifier was found at 1992s Popular Electronics. Transistors are general purpose common types.

AC125 Power Stage (CB4264E)
This 80's circuit uses germanium transistors like the AC125, AC151, AC163, 2N506 and others to...
SM9x Low Pressure Uncompensated Sensors - SMI
Mouser Electronics is supplying the SMi (Silicon Microestructures) uncompensated low pressure...
Voltage Controlled Tremolo (CB5966E)
This circuit is from a National Semiconductor manual, appearing elsewhere on this site. The...