STO50
TCXO
Preliminary
Corning Frequency Control • Worldwide Data Book 2001 v1.0.2001-10-08
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
1 / 2
Typical Applications Features
PCS Base Stations EFC Standard
Land Mobile Radio Standard Surface Mount Package
Cellular Telephony Small Size
Radio in the Local Loop Low Profile
Digital Switching High Stability
Frequency Range 10 MHz – 33 MHz
Standard Frequencies 19.44 MHz
Frequency stabilities
Parameter Code I Frequency stability Operating temp range
09 ± 2.5 ppm
04 ± 1.0 ppm -20 ... +70°Cvs. Operating temperature range
05 ± 1.0 ppm 0 ... 50°C
vs. Supply voltage change
vs. Load change
vs. Aging / year
< ± 0.5 ppm
< ± 0.2 ppm
< ± 1.0 ppm
Vs ± 5%
Load ± 10%
Frequency tuning
Parameter Option I Value Condition
Electrical freq. control (EFC) U> ± 5.0 ppm Note 1
Voltage range (VC)0.5 to 4.5 V @ VS=5.0 V
0.3 to 3.0 V @ VS= 3.3 V
Pulling slope Positive
Freq. control input impedance >10 k Ω
RF output
Parameter Code III Value Condition
Signal HCMOS
Load 25pF ± 10% < 20MHz
15pF ± 10% ≥ 20MHz
Duty cycle
06
40/60% @ VS/2
Signal Clipped sinewave
Load 10kΩ±10%||10pF±10%
Output power
11
> 0.7 VPP @ 10kΩ ||10pF
Supply voltage
Parameter Code II Value Condition
Supply voltage (VS)05 5V ± 5%
Current consumption < 18mA
Supply voltage (VS)33 3.3 V ± 5%
Current consumption < 15mA
Additional parameters
Parameter Value Condition
Phase Noise <- 95 dBc/Hz 10 Hz Note 2
<-125 dBc/Hz 100 Hz
<-145 dBc/Hz 1kHz
<-150 dBc/Hz 10 kHz
<-155 dBc/Hz 100 kHz
STO50
TCXO
Preliminary
Corning Frequency Control • Worldwide Data Book 2001 v1.0.2001-10-08
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
2 / 2
Additional parameters
Parameter Value Condition
Weight < 3 g
Operable temperature range -30 ... +80°C
Storage temperature range -55 ... +105°C
Processing & Packing handling&processing note
Enclosure
Type G183B
Drawing
5,08
±0,1
H
1,0
4
3
2
1
14,4max.
9,5max.
65
S
0,1 S
6,4
±0,2
G183
Auflage
H = 5,9 ; G183 B
fläche
all units in mm
Pin Connections
Pin 1Voltage Control (Vc)
Pin 2N.C.
Pin 3GND, case
Pin 4RF output
Pin 5N.C.
Pin 6Supply Voltage (Vs)
Ordering Code Option I Code I Code II Code III
Model Frequency
tuning Frequency
Stability Supply
Voltage RF
Output Frequency
Example: STO50 U09. 33. 06. 19M44000
Order: STO50
Notes
1Others available
2Typical values @ 19.44MHz
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)
Subject to technical modification; Not all options are available at all Frequencies
