The LC XO Gen 3 TCXO GPSDO module provides ±50 ns RMS 1 PPS accuracy when GPS‑locked and maintains holdover stability under ±35 µs over three hours after 72 hours of lock. It outputs a 3.3 V CMOS 1 PPS signal and supports SCPI‑99 control with TTL‑level NMEA. Operating on the L1 1574 MHz band, it works with active or passive antennas and uses a 72‑channel GNSS receiver supporting GPS, Glonass, Galileo, BeiDou, QZSS, and SBAS. Sensitivity reaches –148 dBm for acquisition and –167 dBm for tracking, with TTFF under 30 seconds cold and 2 seconds warm or hot. ADEV is <2E‑12 at 10 ks, with GPS lock indicated via TTL output and <10‑minute warm‑up to 1E‑09 accuracy.

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