OCXO-59-21

OCXO 59-21 P.O. BOX 3389 CHARLOTTESVILLE, VIRGINIA 22903 PHONE: (804) 295-3101 FAX: (804) 977-1849 CRYSTAL OSCILLATOR SPECIFICATION This specification defines the operating characteristics of an ovenized crystal oscillator. Long term stability is assured through use of premium components. REV. DESCRIPTION OF REVISION A Added 2.1. Total Stability REQ. DWN. BY BY DATE ADB TST 02-11-97 TST TST 02-12-97 ISOTEMP RESEARCH INC. CODE ID. PART NO. CHARLOTTESVILLE, VA. USA 31785 OCXO 59-21 PAGE OF TOTAL DWG. NO. REV. 1 2 114-716 A OCXO 59-21 1. OUTPUT 1.1. Frequency 1.2. Waveform 1.3. Level 1.4. Load 1.5. Duty cycle 1.6. Spurious 50.000 MHz (±0.5 PPM @ +25°C @ time of shipment) Rectangular ACMOS 3 HCMOS/TTL loads 40% to 60% @ +2.5 VDC < -60 dBc 2. FREQUENCY STABILITY 2.1. Total This oscillator will meet the Clock Stratum Level 3 requirements for the Free-Run Accuracy and Holdover Accuracy as outlined in BELLCORE specification: GR-1244-CORE. 2.2. Ambient < ±0.14 PPM from 0°...