12V OCXO HCMOS Output High Performance HCD661 Specifications HCD661AT: AT cut overtone crystal HCD661SC: SC cut overtone crystal Parameters Frequency range: 5.0 ~ 20.0MHz (5.0 & 10.0MHz are standard) Frequency stability: Per day at despatch Per year max Per 10% change in VDD 51.00 (max) Short term stability: Over 1 sec Over 1 sec (5.0MHz) Over 1 sec (10.0MHz) 24.50 (max) Temperature stability: Over -20 to +70C 0.50 5.60 1.00O 21.00 Operating temperature range: -20 to +70C Other options from -40C 21.00 3 2 1 32.00 16.00 4 41.00 (max) 5 25.00 BOTTOM VIEW PIN CONNECTION 1 Ground 2 Freq adjustment 3 Ref voltage out 4 Supply 5 RF output VOLTAGE CONTROL 3 1 Features Scale 1:1 1x10-9 1x10-7 3x10-9 2x10-10 2x10-8 1x10-9 5x10-12 1x10-11 1x10-8 3x10-9 Output waveform: HCMOS / TTL compatible 1x10-6 5x10-7 Supply voltage (VDD): +12.0V (0.5V) Other options from 12~30V Power consumption: 5.0W max at switch on 1.3W typ when stabilised at 25C Frequency adjustment: Electrical, over +0.5 to +7.0V (sufficient for 10 years ageing min) Stabilised +7.0V supply provided After 12mins at +25C After 8mins at +25C Phase noise (@ 10.0MHz): dBc/Hz @ 10Hz dBc/Hz @ 100Hz dBc/Hz @ 1kHz dBc/Hz @ 10kHz dBc/Hz @ 50kHz < -120 < -130 < -150 < -155 < -155 < -130 < -145 < -155 < -158 < -160 Shock: IEC 68-2-27 Test Ea 50G for 11ms AT cut or SC cut overtone crystal Vibration: IEC 68-2-06 Test Fc 10-55Hz, 1.5mm. 55-500Hz, 10G Standard European pin-out Standard. Optional - Please specify required code(s) when ordering Custom options available specify 1x10-8 < -30dB wrt carrier Single oven & oscillator supply specify 2x10-8 Harmonics: Temperature stability down to 3ppb Option Codes 5x10-11 2 1k SC Storage temperature range: -40 to +90C Warm up: 10k multi-turn Variant AT Ordering Information Product name + frequency eg: HCD661AT 10.0MHz HCD661SC 5.0MHz Option code X (eg HCD661SC/X) denotes a custom spec. Tel: +44 1460 256 100 22 Mar 2002 Fax: +44 1460 256 101 E-mail: sales@golledge.com Web: www.golledge.com