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Articles
Title
Regulators with short circuit protection (CB9963E)
Continuity Tester (CB10617E)
TBA810 7W amplifier (CB10901E)
Elementary One Transistor Radio (CB9907E)
Gas and smoke detector (CB9810E)
Flasher with control (CB9786E)
Solenoid driver (CB9729E)
TTL to CMOS Converter (CB9615E)
High impedance comparator (CB9594E)
Low Current SCR Pulsator (CB10979E)
Unijunction timer (CB10846E)
White Noise Generator (CB10812E)
Timed Lamp (CB10765E)
CMOS Astable Voltage Controlled (CB10725E)
12 V Motor Control (CB10584E)
Touch Switch 2 (CB10403E)
Sound Operated Flash (CB10379E)
Genera-Purpose Alarm (CB10326E)
Touch Switch (CB10304E)
Switching Regulator (CB10289E)
Theremin CMOS (CB10231E)
Telephone line monitor (CB10149E)
Waveform Converter (CB10133E)
Schmitt trigger with programmable hysteresis (CB10111E)
28V broadband amplifier (CB10060E)
Audible TTL probe (CB10023E)
Few Component FM Transmitter (CB10004E)
5 V x 500 mA power supply (CB9947E)
Audio noise generator (CB9928E)
Secret Combination (CB9879E)

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Circuit Bench

  • Bass, Middle and Treble Control II (CB965E)

    We found this circuit in a publication of 1990. With the changes it can be mounted easily today....

  • Operational Linear Photometer (CB13418E)

      This simple photometer was found in a 1977 Radio Shack manual. The sensor is a photocell, which can...

  • TRIAC Test Using the Oscilloscope (MSB080E)

    This circuit is used to test a triac and also to teach how it works. The load is an incandescent...

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