Tubes

Articles
Title
Expander-Compressor (T091E)
Home Transmitter (T090E)
Q Multiplier (T089E)
AM MW Retransmitter (T088E)
Valve Electroscope (T087E)
Grid-Dip Meter (T086E)
1.5 MHz to 300 MHz RF Oscillator (T085E)
Tube Stabilized Voltage Source (T084E)
1 Tube Amplifier (T083E)
White Noise Generator (T082E)
Preamplifier Equalizer (T081E)
Power Supply (T080E)
10W Transmitter For the 40 and 80 Meters Band (T079E)
Thyratron Regulated Power Supply (T078E)
Tube Frequency Meter Up to 100 kHz (T077E)
Transforming a Tube Radio into an MW Transmitter (T076E)
Q Factor Meter (T075E)
Circuit With Thyratron Tube (T074E)
Tube XTAL Oscillator (T073E)
Tube Operational Amplifier (T072E)
Insulation Meter (T071E)
20W AM Transmitter (T070E)
Adapter for Multimeter (T069E)
3W Tube Amplifier (T068E)
Tube Stabilized Power Supply (T067E)
21 MHz Pre-Selector (T066E)
Instantaneous Tube Intercom (T065E)
High Voltage Insulation Test (T064E)
2-Tube Phonographic Oscillator (T063E)
Tube Voltmeter 2 (T062E)

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