Two-input amplifier (CB21661E)

The critical component of this 1967 amplifier is the driver transformer. The circuit has both high and low impedance input.

1 kHz High Pass Filter (CB25997E)
This first-order high pass filter is applicable to any operation requiring a dual power source. It was...
Powerful IR Emitter (CB26030E)
This modulated circuit was found in the November 1997 Electronics Now magazine. The power...
12 V x 700 mA supply (CB20181E)
This stabilized source can supply currents up to 700 mA and the output voltage is close to 15 V. a...