Direct-conversion receiver system and method, especially a...

Direct-coupled active balanced mixer

Direct-coupled FET frequency multiplier and mixer circuit

Directional filter for mixers, converters and the like

Directional receiver coupling arrangement with frequency...

Distortion-free chopper-based signal mixer

Division based local oscillator for frequency synthesis

Double balanced active mixer

Double balanced diode mixer with d.c. response

Double balanced diode mixer with high output third order...

Double balanced FET mixer with high IP3 and IF response down...

Double balanced mixer

Double balanced mixer circuit

Double balanced mixer circuit with less power consumption

Double balanced RF mixer with predetermined input impedance

Double frequency converter making possible shifting of the...

Double super tuner

Double super-heterodyne receiver with low-pass and high-pass fil

Double superheterodyne tuner

Double superheterodyne type receiving circuit