Mercury QMQF326D25-1.0A series TCXO (Temperature Compensated Crystal Oscillator), ±1.0 ppm over -40 to +85ºC frequency stability, 6 Pads SMD 2.5 V LVDS square wave, 100 Ω across Q and Q\ load, 10.0 MHz ~ 1500.0 MHz, 3.2x2.5x1.6 mm Differential LVDS logic output TCXO with typical phase jitter (RMS, 12 KHz ~ 20 MHz bandwidth) 1.0 ~ 1.6 p. sec., No mechanical no electrical frequency trimming. Choose VQMQF326D25-1.0A VCTCXO with typical phase jitter (RMS, 12 KHz ~ 20 MHz bandwidth) 1.0 ~ 1.6 p. sec., series for electronic frequency tuning A QuickXO (quick-turn delivery) product. Delivered in days, not weeks.