CFPO-SC Series (Hi-Reliable OCXO - Up to “Stratum 2” performance - No re-calibration over time) Output Compatibility ■ Sinewave +7dBm ±2dBm into 50Ω load (S) ■ Squarewave optional (C) ISSUE 1; 19 OCTOBER 2004 Description ■ The CFPO-SC series are a range of OCXO’s removing the need for customers to re-calibrate their equipment over the Harmonic Distortion lifetime of operation ■ Harmonics < -40dBc ■ Spurious < -80dBc Main performances are:■ Free-run stability range over lifetime operation from: Phase Noise 10.0MHz typical (sinewave) ■ 1Hz -100dBc/Hz ±1.6x10-8 (CFPO-SC1 for replacing Rubidium clocks) ■ 10Hz -130dBc/Hz to ±1x10-7 (CFPO-SC4) ■ 100Hz -145dBc/Hz ■ Holdover range over 24 hours operation: ■ 1kHz -155dBc/Hz From 7µs over -20 to 70°C (CFPO-SC2) to 10µs with ±15°C ■ 10kHz -158dBc/Hz ambient change Package Options (metal leaded package, hermetically sealed) CFPO-SC-1 50.8 x 50.8 x 38.0mm (50B) ■ CFPO-SC-2 50.8 x 50.8 x 25.0mm (50) ■ CFPO-SC-3 51.0 X 41.0 X 25.0mm (51) ■ CFPO-SC-4 40.0 X 30.0 X 20.0mm (40) ■ Supply Options ■ Standard: 12V ±5% (12) ■ Optional: 15V (15) Environmental Specification (non-operating) ■ Storage temperature range -55 to 85°C ■ Shock - 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 ■ Nominal Frequency (Fo) in MHz ■ Serial Number (1 letter & 5 numbers ) ■ Date Code (4 digits for year and week) Standard Frequencies ■ 5.0, 8.192, 10.0, 10.24MHz Frequency Range ■ 5.0 to 15.0MHz ■ Higher frequencies may be available upon request ■ Initial tolerance @ 25°C Fo ±1x10-8 Power Consumption (CFPO-SC1 / others) ■ Warm-up: <7.0W / 6.0W ■ @25°C: <2.5W / 1.8W (calm air) Warm Up Time @ 25°C (typical) ±1x10-8 after 15 mins (for CFPO-SC1) ■ ±1x10-8 after 10 mins (for others) ■ Retrace after 24 Hours on / 24 Hours off @25°C ±2x10-9 after 60 minutes OCXOs OCXOs ■ Frequency Adjustment > ±5.0x10-8 from 0V to reference voltage ■ EFC monotonic and positive slope (negative optional) ■ 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 Reference Voltage Ouput (optional no reference voltage) ■ CFPO-SC-1 pkg 50B 8.0V±0.3V ■ CFPO-SC-2 pkg 50 8.2V±0.3V (options = 5V / 6.2V) ■ CFPO-SC-3 pkg 51 8.2V±0.3V (options = 5V / 6.2V) ■ CFPO-SC-4 pkg 40 8.0V±0.3V 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 Frequency Long Term Stability Stability Vs Stability (after frequency recovery) Cumulated Supply Voltage Operating within Over Change (±5%) Temperature Temperature Lifetime and Load Range Range (all causes) Change pk to pk Per Day Per Month Per Year Over 15 Years (50Ω±10%) <1x10-10 <±2x10-11 <±6x10-10 <±5x10-9 <2x10-10 <±5x10-11 <±1.5x10-9 <±1.2x10-8 <5x10-10 <±1x10-10 <3x10-9 <1x10 <±2x10 <5x10 <±1.5x10-8 <±5x10-11 <±1.6x10-8 <±3.5x10-8 <±1x10-10 <±5.0x10-8 <±1.5x10-8 <±5x10-8 <±2x10-10 <±7.0x10-8 <±3x10 <±9x10 <±5x10 <±1.0x10 -20 to 70°C -9 -10 -9 Ordering Example -8 -8 CFPO-SC-1 50B S -10 12 -7 A Reference Voltages Standard Package type (max height) Model Number 8.0V±0.3V (50B) 38mm CFPO-SC-1 (50) 25mm CFPO-SC-2 (51) 25mm CFPO-SC-3 (40) 20mm CFPO-SC-4 8.2V±0.3V Option 5 or 6.2V 8.2V±0.3V Option 5 or 6.2V 8.0V±0.3V 8.0 10.0MHz Model Number Package Outline 50B : 50 : 51 : 40 (see above table) Output Signal (S) (Sine is standard) (C) (Optional HCMOS) Supply Voltage (12) (15) (12V is standard) Oven Alarm Option (A) Reference Voltage 8.0, 8.2, 5.0, 6.2 (+ Optional: N = No reference voltage) Frequency (MHz) OCXOs For non standard options such as different temperature ranges, negative slope EFC, cold start-up then please contact our sales office. 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 Packages without Oven Alarm Packages with Oven Alarm Outline in mm - Package 50B Outline in mm - Package 50B 50.8SQ max 3 screws M3 38.0 max 20.3 20.3 3 screws M3 20.3 20.3 40.6SQ 3 4 5. Function Input frequency control Output ref. voltage Output signal Mechanical GND and (–) supply Input supply (+) Bottom View 6 5 4 25.0 max 25.0 max 5.0 All tolerances ±0.2mm 5.0 ∅1.0±0.05 Outline in mm - Package 51 Outline in mm - Package 51 5 25.0 max 4 3 2 1 Bottom View 4 32.0 B otto m Vie w 51.0 max 42.0 5 6 41.0 max 1 41.0 max 2 32.0 3 Pin Function 1. Mechanical GN D and supply 2. Frequency control input 3. Ref.voltage output 4. Supply input 5. Signal output 25.0 max 51.0 m ax 42.0 A ll to ler ance s ± 0.2m m Pin Function 1. Mechanical GND and supply 2 . Frequency control input 3 . Ref. voltage output 4 . Supply Input 5 . Signal output 6. Oven alarm 5.0 ∅ 1.0±0.05 Outline in mm - Package 40 25.4 22.9 4 5 2 6 1 40.0 max 4.0±0.5 All tolerances ±0.2mm Europe Tel: +44 (0)1460 270200 Americas Tel: +1 919 941 9333 Asia Tel: +86 755 8826 5991 3 30.0max 17.8 Bottom View 0.95 4.0±0.5 0.95 19.5 max 4 5 2 6 1 40.0 max Pin Function 1. Input frequency control 2. Output reference voltage 3. Input supply (+) 4. Output signal 5. Mechanical GND and (-) supply 19.5 max 3 Bottom View 30.0 max 25.4 22.9 All tolerances ±0.2mm 5.0 ∅1.0±0.05 Outline in mm - Package 40 17.8 5. 6. 50.8SQ max Function Input frequency control Output ref. voltage Output signal Mechanical GND and (–) supply Input supply (+) Oven alarm All tolerances ±0.2mm ∅1.0±0.05 OCXOs Pin 1. 2. 3. 4. 3 1 2 40.6SQ Pin 1. 2. 3. 4. 50.8SQ max ∅0.8±0.05 All tolerances ±0.2mm 20.3 20.3 Bottom View Pin Function 1. Input frequency control 2. Output reference voltage 3. Output signal 4. Mechanical GND and (-) supply 5. Input supply (+) 6. Oven alarm Outline in mm - Package 50 20.3 20.3 5 6 4 5 ∅1.0±0.05 Outline mm - Package 50 1 2 Bottom View All tolerances ±0.2mm 5.0 ∅1.0±0.05 3 40.6SQ 6 4 5 2 38.0 max Bottom View 1 5.0 3 32.3 2 40.6SQ 32.3 1 50.8SQ max Pin Function 1. Input frequency control 2. Output reference voltage 3. Output signal 4. Mechanical GND and (-) supply 5. Input supply (+) 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 ∅0.8±0.05 Fax: +44 (0)1460 72578 Fax: +1 919 941 9371 Fax: +86 755 8826 5990 Website: www.cmac.com