CFPO-DO Series Description ■ The CFPO-DO series are a range of Super Single Oven OCXO’s designed as a compact and smart frequency source/time keeping reference for all synchronization systems including global ositioning system (GPS) based equipment CFPO-DO series key performances are:■ Holdover better than 7µs over 24 hours ■ Frequency stability over operating temperature range ( see table text ) ■ Frequency stability versus change of all operating conditions (pressure, supply, load, etc.) Package Options (metal leaded package, hermetically sealed) ■ CFPO-DO-1 50.8 x 50.8 x 25.0mm (50) ■ CFPO-DO-2 51.0 x 41.0 x 25.0mm (51) ■ CFPO-DO-3 51.0 x 41.0 x 19.05mm (51B) ■ CFPO-DO-4 40.0 x 30.0 x 20.0mm (40) Environmental Specification (non-operating) Storage temperature range -55 to 85°C ■ Shocks - half-sine 50g 11ms / 3 per direction IEC 68-2-27 Test Ea / Severity 50A ■ Vibration - 10g / 10-500Hz IEC 68-2-06 Test Fc / Severity 500/10 ■ Marking (printed label on top of can) ■ C-MAC or Customer’s Logo ■ C-MAC or Customer’s Part Number ■ Nominal Frequency (Fo) in MHz ■ Serial Number (1 letter & 5 numbers ) ■ Date Code (4 digits for year and week) Phase Noise @10.0MHz typical (sinewave) ■ 10Hz -125dBc/Hz ■ 100Hz -145dBc/Hz ■ 1kHz -155dBc/Hz ■ 10kHz -158dBc/Hz Outline in mm - Package 50 (without Oven Alarm) 20.3 20.3 Supply Options ■ Standard: 12V ±5% (12) 3 1 2 40.6SQ ISSUE 1; 19 OCTOBER 2004 Bottom View Standard Frequencies ■ 10.0, 12.8, 13.0MHz 4 5 Frequency Ranges ■ 8.192 to 15.0MHz ■ Initial tolerance @ 25°C Fo ±1x10-7 Pin 1. 2. 3. 4. 5. Function Input frequency control Output ref. voltage Output signal Mechanical GND and (–) supply Input supply (+) 25.0 max 50.8SQ max Power Consumption ■ Warm-up: <750mA ■ @25°C: <250mA (calm air) Warm Up Time @ 25°C (typical) ±1 x 10-8 after 10 mins All tolerances ±0.2mm ■ 5.0 ∅1.0±0.05 Retrace after 24 Hours off @25°C (typical) ■ ±3 x 10-9 after 60 minutes Output Compatibility ■ Sinewave +7dBm ±2dBm into 50Ω load (S) ■ Squarewave optional (C) 3 4 5 2 6 1 40.0 max 30.0max 25.4 22.9 0.95 ∅0.8±0.05 Pin Function 1. Input frequency control 2. Output reference voltage 3. Input supply (+) 4. Output signal 5. Mechanical GND and (-) supply All tolerances ±0.2mm 4.0±0.5 Reference Voltage ■ Standard Reference voltage output +8V ■ Optional +5.0V or +6.2V (except Package 40) 17.8 Oven Alarm “logic level” signal (optional) (A) ■ Logic “0” during warm-up time and if oven is not operating ■ Logic “1” when temperature regulation is operating Bottom View 19.5 max OCXOs Outline in mm - Package 40 (with Oven Alarm) Frequency Adjustment ■ > ±3 x 10-7 from 0V to reference voltage, monotonic & standard positive slope (negative slope optional). Sufficient to cover 10 years ageing Harmonic Distortion ■ Harmonics & sub-harmonics < -30dBc ■ Non-Harmonics < -75dBc Europe Tel: +44 (0)1460 270200 Americas Tel: +1 919 941 9333 Asia Tel: +86 755 8826 5991 Fax: +44 (0)1460 72578 Fax: +1 919 941 9371 Fax: +86 755 8826 5990 Website: www.cmac.com Electrical Specification Operating Temperature Range Stability within Temperature Range pk to pk Long Term Stability (after 1 week operation) Frequency Stability Vs Supply Voltage Change Standard Package Type (±5%) and Load (max height) Over 10 Years Change (50Ω±10%) Model Number Per Day Per Month Per Year <1x10-10 <±5x10-11 <±1.5x10-9 <±1.2x10-8 <±6x10-8 <±5x10-11 (50) 25mm CFPO-DO-1 <2x10-10 <±7x10-11 <±2x10-9 <±1.5x10-8 <±7.5x10-8 <±1x10-10 (51) 25mm CFPO-DO-2 <5x10-10 <±1x10-10 <3x10-9 <±2x10-8 <±1x10-7 <±1x10-10 (51B) 19.05mm CFPO-DO-3 <1x10-9 <±2x10-10 <5x10-9 <±5x10-8 <±3x10-7 <±5x10-10 (40) 20mm (*) CFPO-DO-4 -20 to 70°C Ordering Example CFPO-DO-1 50 S 12 A 8.0 10.0MHz Model Number Package Outline 50, 51, 51B, 40 (see above table) Output Signal (S) (Sine is standard) (C)(HCMOS optional) Supply Voltage (12) (12V is standard) Oven Alarm Option (A) Reference Voltage (8.0V standard, optional = 5V or 6.2V with packages 50 & 51 No Reference for all models = N) Frequency (MHz) For non standard options such as different temperature ranges, negative slope EFC, cold start-up please contact our sales office. (*) Package height 16mm max will be available from mid 2005 Outlin in mm - Package 51B (without Oven Alarm) 6 5 25.0 max 4 5.0 ∅1.0±0.05 All tolerances ±0.2mm 1 4 32.0 Pin Function 1. Mechanical GND and supply 2 . Frequency control input 3 . Ref. voltage output 4 . Supply Input 5 . Signal output 6. Oven Alarm 2 5 19.05 max Bottom View 3 Bottom View ∅1.0±0.05 5.0 1 32.0 2 41.0 max 3 41.0 max 51.0 max 42.0 51.0 max 42.0 Pin Function 1. Mechanical GND and supply 2 . Frequency control input 3 . Ref. voltage output 4 . Supply input 5 . Signal output All tolerances ±0.2mm 10.15 Europe Tel: +44 (0)1460 270200 Americas Tel: +1 919 941 9333 Asia Tel: +86 755 8826 5991 Fax: +44 (0)1460 72578 Fax: +1 919 941 9371 Fax: +86 755 8826 5990 Website: www.cmac.com OCXOs Outline in mm - Package 51 (with Oven Alarm)