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Title
Optical Detector with Amplifier (CB17549E)
4 W amplifier (CB17530E)
Central Alarm (CB17451E)
Zener Identifier Tester (CB17431E)
Tic Tac Toe (CB17344E)
3 to 12 V Power Supply with Short Protection (CB17308E)
Flashing Indicator (CB17299E)
Speaker Protection (CB17274E)
12 V to 220 V converter 555 (CB17238E)
Digital Switch (CB17220E)
Conductivity Indicator (CB17132E)
Residential Alarm (CB17074E)
Electronic Labyrinth (CB18170E)
Doors and Windows Alarm (CB18164E)
Up to 24 Hours Timer (CB18085E)
8 Digit Password Coded Lock (CB17980E)
Tracking Transmitter (CB17648E)
Position indicator (CB17588E)
Square Oscillator LM3900 (CB17389E)
4017 10-Channel Manual Sequential Control (CB17280E)
Mike Gain Increaser (CB17253E)
Car Amplifier Module (CB17114E)
80m Transceiver (CB17092E)
Lucky Roulette (CB17055E)
VHF to AM Converter (CB17047E)
1A 4-Voltage Supply (CB18065E)
Telephone Spy (CB18047E)
Speaker Systems for Bench (CB17695E)
Two-Point Communication Using Common Telephones (CB17668E)
EMI Multiple Filter (CB17630E)

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Circuit Bench

  • Current pulses (CB8936E)

           Found in an American publication from 1968, this circuit generates pulses at a rate of 2,500 per...

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      The transistors on this circuit can be the BC548. The circuit is from English documentation from...

  • Stereo decoder (CB10044E)

      In the figure we have a stereo decoder from the 70's with pilot lamp for signal indication. The...

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