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  • 9 to 14 V adjustable power supply (CB8504E)
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Articles
Title
Electronic Ear (T1524E)
Amplifier for microphone and phonograph (T1546E)
Field Strength Meter (T1358E)
Power supply (T1258E)
Variable power supply (T1190E)
Variable power supply (T1190E)
Small Signal Tracer (T1165E)
Linear Scale Ohmmeter (T1732E)
5-tube superheterodyne (T1613E)
Vibrator Amplifier (T1576E)
Low Distortion Preamplifier (T1551E)
Sensitive Signal Tracer (T1236E)
Code Practice Oscillator (T1194E)
Reverb Circuit (T1769E)
Reflex receiver with speaker (T1713E)
EL84 Amplifier (T1695E)
Two batteries reflex receiver (T1655E)
Dual tube receiver (T1600E)
10W Amplifier (T1359E)
Sophisticated tube tester (T1334E)
Full Wave Bias Source (T1259E)
Intercom (T1203E)
Vintage Oscilloscope (T1191E)
1940s commercial receiver (T1614E)
Target shooting (T1525E)
Small phonographic amplifier (T1547E)
VFO exciter or transmitter (T1166E)
Reverb Chamber (T1770E)
3 to 40 MHz preselector (T1733E)
Circuit for multimeter (T1714E)

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Circuit Bench

  • Binary Indicator (CB6700E)     This circuit was obtained from old documentation but can be used as a shield in a modern application. The SCR can be 106 series and a general-purpose transistor. a href="images/sto"

    Binary Indicator (CB6700E)      This circuit was obtained from old documentation but can be used as a...

  • Crossing Signal For Railroad Modeling 3 (CB3856E)

          This circuit uses two sensors that are placed at the intersection of a miniature railroad, causing the LED...

  • Acoustic Delay Circuit (CIR25263E)

      This delay circuit for a sound system was found in the December 1990 Radio Electronics magazine as part...

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