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Title
Bilateral current source (CB20818E)
Universal speed control (CB20783E)
12 V Relay Drive Step with 6V Source (CB20433E)
Transient protection for INA185 (CB20395E)
Bilateral current source (CB20359E)
RF signal level indicator (CB20966E)
Multiple solenoid driver (CB20925E)
15 kHz tone detector (CB20902E)
High quality tone control (CB20805E)
Triac low voltage switch (CB20705E)
6-LED Sequential 2 (CB20455E)
Super Ear (CB20418E)
Audio Amplifier As Power Inverter (CB20997E)
Double Flasher 555 (CB20943E)
Low capacitance amplifier (CB20817E)
Simple zener diode test (CB20740E)
Audible liquid level alarm (CB20726E)
Stereo preamplifier (CB20654E)
Stereo preamplifier (CB20654E)
50mA driver (CB20924E)
Window detector using one comparator (CB20901E)
Baxandall tone control (CB20804E)
High torque motor control (CB20782E)
Triac Dimmer 2 (CB20704E)
Negative voltage converter (CB20669E)
Broadband AC Voltmeter (CB20612E)
Bike speedometer (CB20497E)
Sequential 6 LEDs (CB20454E)
LED Photosensor (CB20432E)
Indicator for Christmas tree (CB20942E)

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Circuit Bench

  • 1 MHz FET Oscillator (CB6148E)

           This circuit was obtained from HAM Radio magazine in an 80's issue. The FETs are types of the time...

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      We found this circuit in a 1981 documentation. The circuit can still be easily assembled, as it...

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      This low noise audio amplifier stage uses only one transistor and has a high enough gain to...

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