Tubes

Articles
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)

Page 7 of 53

Function Generator 566 (CB19526E)
This circuit found in a European publication from the 1980s, is based on PLL 566. The frequencies...
1 A symmetrical power supply (CB25954E)
The circuit shown, with the printed circuit board, was found in an article in the June 1990 issue...
Timer (CB5978E)
In the figure we have a simple timer with two voltage comparators of the four of an LM339. The...