4598 OCXO
Corning Frequency Control Inc. • Worldwide Data Book 2001 v1.1.2001-04-24
Corning Frequency Control Inc. • 100 Watts Street • Mt. Holly Springs, PA 17065 • Tel 1-717-486-3411 • Fax 1-717-486-5920 • www.corningfrequency.com
Tele Quarz GmbH & Co. KG • Landstrasse • D-74924 Neckarbischofsheim, Germany • Tel +49-7268-801-0 • Fax +49-07268-801-281 • www.telequarz.de
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Typical Applications Features
PCS Base Stations
Standard Package
Cellular Base Stations
High Stability
Synthesisers
AT-Cut Crystal
Test Equipment
Digital Switching
Frequency range 10 MHz – 30 MHz
Standard frequencies 10 MHz
Frequency stabilities
Parameter Code Frequency stability Operating temp range
vs. operating temperature range B48 ± 40 ppb 0....50°C
B28 ± 20 ppb
C58 ± 50 ppb 0.....70°C
C38 ± 30 ppb
D17 ± 100 ppb -20....+70°C
D88 ± 80 ppb
E27 ± 200 ppb -40....+70°C
E17 ± 100 ppb
Parameter Value Condition
vs. aging /daily1 < ± 2 ppb after 72 hours of operation
vs. aging /1 Year < ± 0.5 ppm 20 MHz
< ± 0.75 ppm > 20 MHz
Frequency tuning
Parameter Value Condition
Electrical frequency control (EFC): > ± 8 ppm Typ. Sufficient for > 15 Yrs.
Voltage range 0 V to 4 V
Pulling slope Positive
RF output
Parameter Value Condition
Signal Sinewave/ HCMOS2
Load 50Ω
Duty cycle 45 to 55 %
Output power min + 3 dBm
Output power max + 8 dBm
Harmonics < - 30 dBc
Supply Voltage
Parameter Value Condition
Supply voltage (Vs) + 5 V ± 5 %
Supply voltage B (Vs B) + 12 V
Supply voltage C (Vs C) + 3.3 V
Power consumption steady state < 1.0 W @ 25°C
Power consumption during warm up < 3.0 W
Reference Voltage output 4 V
4598 OCXO
Corning Frequency Control Inc. • Worldwide Data Book 2001 v1.1.2001-04-24
Corning Frequency Control Inc. • 100 Watts Street • Mt. Holly Springs, PA 17065 • Tel 1-717-486-3411 • Fax 1-717-486-5920 • www.corningfrequency.com
Tele Quarz GmbH & Co. KG • Landstrasse • D-74924 Neckarbischofsheim, Germany • Tel +49-7268-801-0 • Fax +49-07268-801-281 • www.telequarz.de
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Enclosure
Pin Connections
Pin 1 EFC
Pin 2 Reference Voltage Output or N/C
Pin 3 Supply Voltage
Pin 4 RF Output
Pin 5 GND/Case GND
Additional Parameters
Parameter Value Condition
Phase Noise <- 75 dBc 1Hz Note 1
<-100 dBc 10Hz
<-130 dBc 100Hz
<-140dBc 1kHz
<-150dBc 10kHz
Warm-up time < 3 min @25°C to final frequency
within ± 0.1ppm
Processing Tech_Note_1
Packaging Tech_Note_2
Notes
1 Typical values @ 10 MHz
2 can drive TTL, ACMOS and CMOS
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)
