1955 VCXO
Corning Frequency Control • Worldwide Data Book 2001 v1.0.2000-11-11
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
Sonet/SDH Surface Mount Package
ATM Equipment Low Jitter
Switching Equipment Complementary ECL or
Multiplexing PCL Output
Frequency Range 10 MHz – 200 MHz
Standard Frequency 155.520000 MHz
Frequency Stabilities
Aging < ± 15.0 ppm Over 20 years
Frequency tuning OUTPUT CODE A OUTPUT CODE B OUTPUT CODE C
Voltage Control:
Center
Vdc
Slope
ECL
-0.5V to –4.5V
-2.5V ±0.5V
Positive
+5V PECL
0.5V to 4.5V
-2.5V ±0.5V
Positive
+3.3V PECL
0.5V to 3V
1.75V ±0.5V
Positive
Input impedance >50 k Ω
RF output
Signal Complementary ECL or PCL
Supply Voltage
Supply voltage options (Vs) -4.5 Vdc, -5.2 Vdc, +5.0 Vdc, +3.3 Vdc
Supply Current 70 mA max
Temperature Stability STABILITY CODE A STABILITY CODE B
PPM ±20.0 @ 0°C to +70°C ±40.0 @ -40°C to +85°C
Supply Current 70 mA max
Additional Parameters
Phase Noise < - 55dBc 10Hz Note 1
< - 85dBc 100Hz
< -118dBc 1kHz
< -142dBc 10kHz
< -145dBc 100kHz
Jitter At 155.52 MHz <1 pS RMS
over a bandwidth of 100 Hz to 2 MHz
Processing
Packaging Tech_Note_1
Tech_Note_2
1955 VCXO
Corning Frequency Control • Worldwide Data Book 2001 v1.0.2000-11-11
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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Enclosures
SMT “S” Package Gullwing “G” Package Through-hole “T” Package
Pin Connections ECL PECL
Pin
Pin
Pin
Pin
Pin
1
7
8
9
14
Voltage Control
Vee
RF Output
Complementary RF Output
Ground
Voltage Control
Ground
RF Output
Complementary RF Output
Vcc
Notes
1 Typical values @ 155 MHz
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)
2 No frequency multiplier used within this VCXO
