|
US3453564A
|
|
Continuously variable high-frequency transmission line attenuator using variably biased microwave diodes and method therefor
|
|
US3365676A
|
|
Automatic frequency control system and method for the unambiguous and precise tuning of a high-frequency tunable oscillator
|
|
US3423702A
|
|
Compressionally-loaded spring forming dc connection between the outer and inner conductor of a tem-mode transmission line
|
|
US3332035A
|
|
Oscillator circuit with variable capacitor
|
|
US3408582A
|
|
Wide dynamic range square-law detector with logarithmic read-out
|
|
US3464029A
|
|
Transistor oscillator circuit employing variable depletion capacitance and carrier storage capacitance
|
|
US3297967A
|
|
Multielement directional coupler
|
|
US3221275A
|
|
Variable directional coupler utilizing specially shaped coupling aperture, used as non-dissipative microwave attenuator
|
|
US3327245A
|
|
Means and method for stabilizing negative feedback systems
|
|
US3145351A
|
|
System for modulating power level of microwave oscillators
|
|
US3121848A
|
|
Continuously variable microstrip attenuator using directional coupler
|
|
US3212015A
|
|
Broadband crystal diode detector
|
|
US3160808A
|
|
Alternating current voltage regulator
|
