When both the wavemeter and circuit under test are tuned to the same frequency, the absorption wavemeter absorbs power ... Original dip meters used a vacuum tube oscillator circuit and were called grid dip oscillators (GDO) because theanbsp;...
|Title||:||Principles of Electronic Instrumentation and Measurement|
|Author||:||Howard M. Berlin, Frank C. Getz|
|Publisher||:||Prentice Hall - 1988-01-01|