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Title
Small Power Amplifier (T1679E)
4-tube reflex (T1662E)
Pocket Analyzer (T1584E)
4W Amplifier (T1516E)
Electronic flasher (T1288E)
Intermittent Alarm (T1158E)
Timer (T1171E)
Stroboscope (T1752E)
Pocket Tube Radio (T1621E)
Electronic Flash (T1342E)
Battery Charger (T1300E)
Preamplifier (T1222E)
2-tube super heterodyne (T1210E)
Miniature Tube Amplifier (T1183E)
Commercial Sweep Generator (T1781E)
Grid dip (T1741E)
VTVM or converter (T1719E)
Amplified Wheatstone Bridge (T1680E)
Bias power source (T1585E)
UV201A reflex receiver (T1558E)
Modulated light receiver (T1532E)
Small Amplifier (T1517E)
Oscillator (T1289E)
Audio Amplifier (T1244E)
Relaxation with tube (T1753E)
Complex reflex receiver (T1663E)
Tube Transmitter (T1622E)
Signal Generator (T1343E)
AC DC Amplifier (T1301E)
Signal injector (T1223E)

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4 transistors 300 mW stage (CB23534E)
We found this circuit in a Radio Electronics from October 1963. The circuit uses an output...
Two Transistors Experimental Amplifier (CB15058E)
The transistors in this circuit can be the BC548 and a small speaker serves as a microphone. The...
Power indicator (CB7255E)
Indicated by Popular Electronics to be used with a car headlight, this circuit can also have...