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  • PWM motor control (CB8018E)
  • Source for LASER (CB7843E)
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Articles
Title
How To Test SCRs (INS052E)
How to Test Motors (INS050E)
EMI Detector (INS049E)
CMOS Audio Generator (INS048E)
Magnetojector (INS047E)
Signal Follower (INS046E)
Analog VU-meter (ART408E)
Window Comparator (ART406E)
Thermostat (ART405E)
Alternating Current Detector (ART402E)
Seismic and Vibration Detector (ART401E)
Signal Injector (ART392E)
Leak Detector (INS044E)
Measuring the Consumption of an Amplifier (INS042S)
Measurement of the Power of an AC Circuit (Wattmeter) (INS041E)
Measuring the Phase Difference Between Two Same Frequency Signals (INS040E)
Measuring the Sensitivity of an FM Receiver (INS039E)
Measuring Voltages in a Transistor (INS038E)
Discovering the Response Curve of an Amplifier (INS037E)
Measuring the Sensitivity of an Amplifier (INS036E)
Measuring the Gain of a Transistor (INS035E)
Dynamic Test of the Unijunction Transistor (INS034E)
How to Test Operational Amplifiers (INS033E)
How to Measure the Impedance of a Speaker (INS032E)
Resonance Frequency of a Speaker (INS031E)
Capacitor Test (ART320E)
Using The Signal Follower (INS029E)
Phase Meter (INS028E)
How to Test LEDs (INS027E)
Function Generator and Voltage Levels (INS026E)

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Circuit Bench

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      This alarm circuit was found in the July 1992 Radio Electronics magazine. The circuit uses a small...

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          Found in a Philips publication from the 1970s, this circuit uses a DO040, which is difficult to obtain...

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