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Title
Flashing Bicycle Backlight (CB17672E)
Monostable TTL 74121 (CB17573E)
DC Motor Control (CB17555E)
Eco Chamber (CB17457E)
120 Wrms Amplifier (CB17437E)
Optical Intercom Transmitter (CB17327E)
Touch Switch (CB17314E)
Photocontroller (CB17202E)
Delay Switch for Lamps (CB17177E)
15 V x 1A power supply (CB17137E)
Relay-Free Timer (CB17049E)
Electronic Christmas Tree (CB17040E)
Economic Ambulance Siren (CB18011E)
Power Siren 4093 (CB17611E)
Switch Down Regulator (CB17595E)
LM383 8 W Amplifier (CB17532E)
Powerful Fire Siren (CB17503E)
Vibrato with the 555 (CB17487E)
Water Pump Intelligent Control (CB17397E)
20 W Transistor Amplifier (CB17359E)
20 Wrms Transistor Amplifier (CB17226E)
Positioning Control 555 (CB17243E)
for Dish Machine (Timer)
Bargraph LM3914 (CB17161E)
Digital Die (CB17098E)
Lie Detector (CB18176E)
Signal Follower (CB18199E)
Telephone Amplifier (CB18148E)
Powerful 10 km FM Transmitter (CB18131E)
Doorphone and Doorbell (CB18111E)

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Circuit Bench

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      This 1/2 hertz high selectivity filter was found in the December 1990 issue of Radio Electronics...

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      The two power steps below are intended for use with the SAA1027 stepper motor control but can be...

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      This interesting circuit, found in a 1986 publication, includes a powerful audio amplifier. Being...

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