Trap circuit for blocking spurious signals from a T.V. intermedi

Tri-state chopper for frequency conversion

Triple balanced mixer

Triple band receiving apparatus for a mobile communication...

Triple conversion RF tuner with synchronous local oscillators

Triplexer and multilayered structure thereof

True root-mean-square detection with a sub-threshold...

Tunable antenna apparatus and method for use with superheterodyn

Tunable bandpass filter and method thereof

Tunable filter in radio receiver

Tunable filter with bypass

Tunable high-frequency input circuit

Tunable low noise amplifier and current-reused mixer for a...

Tunable lowpass-highpass switching filter

Tunable microwave oscillator

Tunable multi-band receiver by on-chip selectable filtering

Tunable narrowband receiver utilizing distributed Bragg reflecto

Tunable notch filter for image frequency and conducted local osc

Tunable radio receiver with detuning prevention due to power sup

Tunable receiver