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Simple transistor test (CB21577E)
Two transistor diode (CB21473E)
Sweep voltage generator (CB21450E)
Temperature and air speed monitor (CB21385E)
Car Siren (CB21353E)
Voltage Calibrator (CB21331E)
Temperature controller (CB21286E)
Control bistable (CB21261E)
Balanced Line Receiver (CB21211E)
Oscillator for the medium wave range (CB21140E)
Audio limiter (CB21068E)
Light Level Meter (CB21049E)
Low current source (CB21990E)
Varistor Modulator (CB21915E)
Ameba Transmitter (CB21873E)
BFO (CB21769E)
LED Sequencer (CB21711E)
Adjustable reference (CB21539E)
Logic Level Indicator (CB21517E)
Up to 3 minutes timer (CB21429E)
Ultrasonic Proximity Sensor (CB21312E)
Small siren (CB21235E)
Low voltage drop regulator (CB21166E)
Light Receiver and Effect Generator (CB21006E)
Transistor gain meter (CB21952E)
Voltage Amplifier (CB21857E)
Amplifier with germanium transistors (CB21817E)
Bistable with transistors (CB21811E)
Relay for photodiode (CB21735E)
Symmetrical power supply (CB21692E)

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