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Title
Avalanche Divider (CB6834E)
Low dissipation biestable (CB6808E)
SCR Flasher (CB6761E)
8 Hz Twin T (CB6718E)
Neon Transistor Indicator (CB6696E)
PWM to Voltage Converter (CB6675E)
Nixie Counter (CB6620E)
2 MHz Clock (CB6464E)
Variable Capacitor with Transistors (CB6448E)
Positive ground headlight alarm (CB6374E)
RIAA Equalization (CB6317E)
Amplifier with the TAA370 (CB6277E)
Hearing Aid Amplifier (CB6161E)
'Push button memory (CB7243E)
AC motor driver with reversal (CB7150E)
Sound-activated relay (CB7087E)
JFET stage (CB6967E)
1000 V pulses (CB6930E)
Water level control (CB6949E)
Cycloid adapter (CB6908E)
Photo alarm with the 555 (CB6854E)
Current Booster (CB6787E)
Amplifier with polarity inversion (CB6785E)
Eighth-Order Filter (CB6741E)
Binary Counter using Relays (CB6607E)
Water Level Sensor (CB6557E)
Field Strength Meter (CB6538E)
Precision AC to DC Converter (CB6503E)
Airflow Detector (CB6484E)
Bridge Null Detector (CB6408E)

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      Found in Popular Electronics from the 90s, this circuit is based on a PLL567 and employs high-end or...

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