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Title
Phonographic Oscillator (CB21666E)
Low battery indicator (CB21619E)
Micro amplifier for turntable (CB21639E)
Zero crossing detector (CB21542E)
Voltage Limit Monitor (CB21520E)
Multi-pulse trigger (CB21477E)
Microphone Amplifier (CB21357E)
Sync stretcher (CB21265E)
Logic Proof (CB21193E)
Tuned collector oscillator (CB21149E)
4-Tone Oscillator (CB21115E)
Pen spy (CB21877E)
Amplifier stage (CB21821E)
Photocardiograph (CB21738E)
Dimmer with triac (CB21715E)
Simple Oscillator (CB21674E)
Level change circuit with negative output (CB21597E)
Heterodyne frequency meter (CB21564E)
Full Wave Neon (CB21454E)
AC Delay (CB21433E)
30-second delay (CB21416E)
5 kW switch (CB21370E)
Video Amplifier (CB21315E)
Clock alarm timer (CB21290E)
Two-Tone Generator 555 (CB21238E)
78xx regulator with logic control (CB21215E)
Tunable UHF Oscillator (CB21144E)
Cable Termination Circuit (CB21077E)
Submarine Microphone (CB21071E)
Square Root Circuit (CB21031E)

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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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