Lamp Timer (CB21291E)
Telephone Line Tester (CB21266E)
Low voltage drop regulator (CB21216E)
Two-phase regulator (CB21169E)
Universal VFO (CB21145E)
Phase Shift Oscillator (CB21116E)
Squaring circuit (CB21032E)
Audio Frequency Counter (CB21917E)
12V x 10A power supply (CB21775E)
Phase control with SCR (CB21716E)
Warning circuit (CB21675E)
Reverse polarity protection circuit (CB21582E)
NOR Crossed Gates (CB21500E)
Heating Control (CB21371E)
Neon temperature control (CB21389E)
Low Resistance Ohmmeter (CB21359E)
Sine and Cosine Audio Generator (CB21337E)
Bass and Treble Control (CB21295E)
Telephone recording circuit (CB21270E)
Surfer Sound (CB21239E)
3 3V power supply (CB21173E)
126 MHz Logic Probe (CB21195E)
Piezoelectric Driver 3 (CB21150E)
x10 frequency multiplier (CB21078E)
555 LASER Diode Driver (CB21011E)
Mini amplifier (CB21958E)
Regenerative receiver (CB21898E)
AC millivoltmeter (CB21862E)
250 V Preamp (CB21792E)
Sawtooth oscillator (CB21816E)

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         The battery charger suggested in the figure has its current limited by resistor R1. This component may...

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