OX-501 Oven Controlled Crystal Oscillator OX-501 Features Applications 6-Pin SMD package Base stations Fast warm-up Test equipment Frequency Range, 10 MHz to 40 MHz Femto base station Standard freq: 10, 12.8, 16.384, 19.2, 20, 24.576, 25, 26, Military communication equipment MHz, Performance Speci cations 1 Frequency Stabilities 10 to 40 MHz Parameter Min Typical Max Units Condition vs. operating temperature range -20 +20 ppb -20 to +70C (referenced to +25C) -20 +20 ppb -40 to +85C slope -2 +2 ppb/C Temp stab. +-10ppb Initial tolerance -0.5 +0.5 ppm at time of shipment, nominal EFC vs. supply voltage change -20 +20 ppb V 5% static S vs. load change -30 +30 ppb Load 5% static vs. aging / day -5 +5 ppb after 30 days of operation vs. aging / year 500 +500 ppb after 30 days of operation vs. aging / 10 years after 30 days of operation Holdover Start up time Warm-up time 3 minutes to 200ppb of nal frequency (1 hour reading) +25C Page 1 of 7 Vectron International 267 Lowell Road, Hudson Suite 102, NH 03051 Tel: 1-88-VECTRON-1 Performance Speci cations Supply Voltage (Vs) Parameter Min Typical Max Units Condition Supply voltage (standard) 3.135 3.3 3.465 VDC 1.4 2.0 Watts during warm-up Power consumption 0.5 0.66 Watts steady state +25C RF Output Signal standard HCMOS Load 15 pF Signal Level (Vol) 0.4 VDC with Vs=3.3V and 15pF Load Signal Level (Voh) 2.4 VDC with Vs=3.3V and 15pF Load Duty Cycle 45 55 % (Voh-Vol)/2 Frequency Tuning (EFC) Tuning Range Fixed OCXO No adjust Tuning Range 5 12 Linearity 10% Tuning Slope Positive Control Voltage Range 0.0 1.4 2.8 VDC with Vs=3.3V Additional Parameters -60 -45 dBc/Hz 1 Hz -100 -95 dBc/Hz 10 Hz 3 Phase Noise -128 -120 dBc/Hz 100 Hz 20MHz -140 -135 dBc/Hz 1 kHz -148 -145 dBc/Hz 10 kHz Weight 8.0 g Processing & Packing Handling & Processing Note Absolute Maximum Ratings Supply voltage (Vs) 4.0 V with Vs=3.3 VDC Output Load 50 pF Operable Temperature Range -40 +85 C Storage Temperature Range -40 +85 C Outline Drawing / Enclosure Dimensions in mm OX-501 Height H cover material 6.2 plastic Pin Connections 1 I.C (Do not connect) / EFC (option) 2 N.C 3 Ground (Case) 4 RF Output 5 N.C / Enable (option) 6 Supply Voltage Input Enable true table pin 5 pin 4 high data open data low high tristate Page 2 of 7 Vectron International 267 Lowell Road, Hudson Suite 102, NH 03051 Tel: 1-88-VECTRON-1