|
Ease of C.W. Transformer Design
|
5393 |
|
How to Design an Iron Core Audio Frequency Choke Coil
|
5300 |
|
How to Make a Two-Step Amplifier
|
5482 |
|
Low Frequency OTL Amplifier
|
10571 |
|
Low frequency voltage amplifiers
|
41 |
|
Negative feedback
|
5775 |
|
New types of tubes for push-pull and stereo amplifiers
|
415 |
|
Perfume by radio
|
5222 |
|
Portable universal amplifier
|
368 |
|
Radio engineering time travel
|
9533 |
Trioda/Triode 
