OR Function with the LM3900 (CB4507E)

Other series amplifiers such as the MC3301, MC3401 and LM2900 can be used on this circuit. We found this setting on Motorola's Linear Interface ICs.

Modulated Unijunction Oscillator (CB4433E)
This circuit may be modulated by a very low frequency signal, for example to obtain the vibrato...
Audio Monitor (CB421)
In this circuit, the LED Will blink in a presence of na áudio signal in the input. Gain is...
100 V x 5 mA Voltage Regulator (CB835E)
This high voltage regulator uses only two passive components. The output is 100 V, but replacing...