EDN

Simulating Indium Phosphide improves high frequency circuits

Indium Phosphide Heterojunction Bipolar Transistors are used in RF and mixed signal circuits operating at frequencies from below 10 GHz up to 0.2 THz. At these high frequencies, digital circuit blocks ...
EDN

Ku-band RF PLLs have integrated VCO for low phase-noise local oscillator circuits

The TFF100xHN family of Ku-band RF PLLs has integrated VCO intended for low phase-noise local oscillator (LO) circuits in Ku-band VSAT transmitters and transceivers. Manufactured in a high-performance ...
Nature

Radiation-Hardened Phase-Locked Loop Circuits

Radiation-hardened phase-locked loop (PLL) circuits represent a critical advancement in safeguarding electronic systems against the deleterious effects of ionising radiation. These circuits are ...
Electronic Design

Simple Quadrature VCO Covers Two Frequency Decades With Ultra-Low Distortion

Fig 1. Two analog multipliers form a VCO with quadrature outputs, while a third multiplier provides AGC to stabilize output voltages without adding distortion. Fig 2. The oscilloscope trace of the VCO ...