Our hacker [Wil Carver] has sent in his submission for the One Hertz Challenge: Precise Time Ref via 1 Pulse-Per-Second GPS Signal. This GPS Disciplined Oscillator (GPSDO) project uses a Piezo 2940210 ...
Abstract: An oscillator-based reconfigurable modulator is proposed to support multi-mode and fast modulation. A direct-modulation structure composed of the cross-coupled oscillator with the ...