OX-500 Oven Controlled Crystal Oscillator Preliminary Features 4-Pin package Fast Warm-up TCXO Replacement for better short term stability Typical Applications Base Stations Test Equipment Synthesizers Military Communication Equipment 7 MHz – 40 MHz 20 MHz (SC); 13 MHz (AT) Frequency Range Standard Frequencies Frequency stabilities1 [AT Cut Crystal-Standard- 7 to 20 MHz] Min vs. operating temperature range (Referenced to +25°C) Typ Max Units -100 +100 ppb -20 … +70°C -250 +250 ppb -20 … +70°C -250 +250 ppb -40… +85°C Parameter Min Max Units Condition Initial tolerance -0.5 +0.5 ppm at time of shipment, nominal EFC vs. supply voltage change -40 +40 ppb VS ± 5% static vs. load change -40 +40 ppb Load ± 5% static vs. aging / day -20 +20 ppb after 30 days of operation vs aging / year -1 +1 ppm after 30 days of operation 2 minutes to ± 200ppb of final frequency (1 hour reading) @ +25°C Warm-up Time Typ Operating temperature range Options5 Parameter htttp://www.vectron.com Vectron International•267 LowellRoad, Hudson, New Hampshire 03051•Tel:+1-88-VECTRON-1 Vectron International GmbH & Co. KG • Landstraße, 74924 Neckarbischofsheim, Germany • Tel: +49 7268 801 100 OX-500 page: 1/5 Frequency stabilities1 [SC Cut Crystal-Option- 20 to 40 MHz] Parameter Min vs. operating temperature range Typ Max Units -25 +25 ppb -20 … +70°C (Referenced to +25°C) -50 +50 ppb -40… +85°C Parameter Min Max Units Condition Initial tolerance -0.2 +0.2 ppm at time of shipment, nominal EFC vs. supply voltage change -20 +20 ppb VS ± 5% static vs. load change -20 +20 ppb Load ± 5% static Typ Operating temperature range vs. aging / day -5.0 +5.0 ppb vs aging / year -100 +100 ppb 2 minutes to ± 100ppb of final frequency (1 hour reading) @ +25°C Condition Warm-up Time after 30 days of operation ≤ 60MHz; after 30 days of operation Supply Voltage (Vs) Parameter Min Typ Max Units Supply voltage [Standard] 3.135 3.3 3.465 VDC 2.0 Watts during warm-up 0.65 Watts steady state @ +25°C Units Condition Power consumption RF Output Parameter Min Typ Signal [Standard] Max HCMOS Load 15 pF Signal Level (Vol) 0.4 Signal Level (Voh) 2.4 Duty cycle 45 55 VDC with Vs=3.3V and 15pF load VDC with Vs=3.3V and 15pF load % @ (Voh-Vol)/2 Units Condition Parameter Min Tuning Range Tuning Range Typ Max Fixed OCXO; No adjust ±5.0 ±1.0 Linearity 10% Tuning Slope Positive Control Voltage Range 0.0 1.4 ±12 ppm with AT cut Crystal ±3 ppm with SC cut Crystal 2.8 VDC with Vs=3.3V htttp://www.vectron.com Vectron International•267 LowellRoad, Hudson, New Hampshire 03051•Tel:+1-88-VECTRON-1 Vectron International GmbH & Co. KG • Landstraße, 74924 Neckarbischofsheim, Germany • Tel: +49 7268 801 100 OX-500 page: 2/5 Options5 Frequency Tuning (EFC) Additional Parameters Parameter Min Typ Phase Noise3 Weight Processing & Packing Max Units Condition - dBc/Hz 1 Hz - dBc/Hz 10 Hz - dBc/Hz 100 Hz - dBc/Hz 1 kHz - dBc/Hz 10 kHz 6.0 g @ 10 MHz Handling & Processing Note Absolute Maximum Ratings Parameter Min Typ Max Units Condition Supply voltage (Vs) 5.5 V with Vs=3.3VDC Output Load 50 pF Operable temperature range -55 +85 °C Storage temperature range -55 +125 °C Notes: 1 Contact factory for improved stabilities or additional product options. Not all options and codes are available at all frequencies. 2 Unless otherwise stated all values are valid after warm-up time and refer to typical conditions for supply voltage, frequency control voltage, load, temperature (25°C) 3 Phase noise degrades with increasing output frequency. 4 Subject to technical modification. 5 Contact factory for availability. htttp://www.vectron.com Vectron International•267 LowellRoad, Hudson, New Hampshire 03051•Tel:+1-88-VECTRON-1 Vectron International GmbH & Co. KG • Landstraße, 74924 Neckarbischofsheim, Germany • Tel: +49 7268 801 100 OX-500 page: 3/5 Enclosure OX-500 Height “H” Pin Length “L” 9.5 5.85min. Pin Connections 1 Electronic Frequency Control Input (EFC) 7 Ground (Case) 8 RF Output 14 Supply Voltage Input How to order this product: Use this worksheet to forward the following information to your factory representative : Model Height - Supply Voltage Code RF Output Code Temperatur Range - OX-40X 0 - B A E - Stability Frequency Control - Frequency 108 0 - 10MHz Model Code: 500: THT Version Frequency Control: 0: No Tuning 1: ±5.0...±12 ppm 2: ±1.0...±3.0 ppm Height: 0: 9,5 mm Supply Voltage Code: D: 5V E: 3,3 V RF Output Code: A: HCMOS Temperature Range: E: -40...+85°C J: -20...+70°C P: 0...+50°C Stability Code: 258: ±25ppb 508: ±50ppb 107: ±100ppb 257: ±250ppb htttp://www.vectron.com Vectron International•267 LowellRoad, Hudson, New Hampshire 03051•Tel:+1-88-VECTRON-1 Vectron International GmbH & Co. KG • Landstraße, 74924 Neckarbischofsheim, Germany • Tel: +49 7268 801 100 OX-500 page: 4/5