357 beloit street, p.o. box 457, burlington, wi 53105-0457 u.s.a. phone 262/763-3591 fax 262/763-2881 email: nelsales@nelfc.com www.nelfc.com vcxo series (pecl) SU-A369X series patent pending description the SU-A369X series of voltage controlled quartz crystal oscillators provide frequency control by applying a voltage to pin 1. this unit supplies dpecl compatible outputs which are enabled when pin 2 is set to a logic low or left open. features ? frequency range?300.0mhz to 1.500ghz ? wide absolute pull range ? will withstand smd reflow temperatures of 183c for 4 minutes maximum ? space-saving alternative to discrete component oscillators ? high shock resistance, to 1000g ? 3.3 volt operation ? low jitter - wavecrest jitter characterization available ? high reliability - nel halt/hass qualified for crystal oscillator start-up conditions ? high q crystal actively tuned oscillator circuit ? power supply decoupling internal ? no internal pll avoids cascading pll problems ? high frequencies due to proprietary design ? gold plated pads electrical connection pad connection 1 v co 2 enable 3 v ee 4 output 5 output complement 6 v cc crystal clock oscillators data sheet 0515f rev. f
357 beloit street, p.o. box 457, burlington, wi 53105-0457 u.s.a. phone 262/763-3591 fax 262/763-2881 email: nelsales@nelfc.com www.nelfc.com SU-A369X series continued vcxo (pecl) operating conditions and output characteristics electrical characteristics parameter symbol conditions min typical max frequency ----- ----- 300.0mhz ----- 1.500ghz duty cycle ----- @ v o /2 45/55% ----- 55/45% logic 0 v ol ----- vcc-1.810vdc ----- vcc-1.620vdc logic 1 v oh ----- vcc-1.200vdc ----- vcc-0.880vdc rise & fall time tr,tf 20-80%v o ----- ----- 600 ps jitter, rms (1) ----- ----- ----- 3 psec ----- absolute pull range (3) apr v co =0.3 to 3.0v ----- 100ppm ----- vco input impedance ----- 50na dc current max 100k ohm ----- ----- vco linearity ----- v co =0.3 to 3.0v ----- ----- 10% transfer function (2) ----- v co =0.3 to 3.0v ----- positive ----- modulation bandwidth mbw @ -3db, 0 |
