DIGITAL TCXO
SMT STRATUM 3 DIGITAL TCXO 102 SERIES
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FEATURES:
- Fully meeting free run frequency accuracy and 24 hours maximum frequency drift requirements for
STRATUM 3 according to Telecordia GR-1244-CORE (Issue 2)*
- Very low power consumption suitable for portable and/or battery operated equipment
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ELECTRICAL SPECIFICATION**
PARAMETER
Supply voltage, nom.
Supply current, max.
SYMBOL
CONDITIONS
VALUE
UNIT
V
mA
MHz
ppm
Vs
Is
fo
Vs° 5%
3.0
5.0
Vs, nom. / Ta=25…C
2.0 to 5.0
10.000 to 40.000
° 4.6
Frequency, nom.
-
Overall frequency stability over 10
years of operation including Initial
Frequency Calibration
Ta=-40…C to + 85…C
Dfc/fo
Frequency drift during 24 hours of
continuous operation, max (See note 1)
Ta=-40…C to + 85…C
or
° 0.37
ppm
Dfc/fo
Ta 0…C to + 70…C
Temperature Stability (See note 2)
Ta=-40…C to + 85…C
° 0.30
ppm
or
Ta=0…C to + 70…C
-
Vc= 0.25V
Vc= Vs-0.25V
° 0.28
ppm
V
PPM
PPM
Control voltage range
Vc
+0.25£ +2.25
-5 £ -10
+5 £ +10
100
Frequency Adjustment Range
Df/fo (Vc)
Voltage control (pin 1) input
impedance, min.
Zin
-
kW
Jitter (peak to peak), max
(Fnom = 20 MHz)
J(f)
10
ps
Offset Df = 12kHz to 20MHz
Phase noise SSB @ freq.offset, max
(Fnom = 20 MHz)
-80
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
½ (Df)
Df=10Hz
Df=100Hz
Df=1kHz
Df ³ 10kHz
Load = 15pF
Load=10 kW||20pF
-110
-130
-145
HCMOS output levels
Clipped Sine
VOH/VOL
Vout
0.9Vcc / 0.1Vcc
0.7
V
Vp-p
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ENVIRONMENTAL SPECIFICATION
Storage temperature range
-
-
-45°C£ .+85°C
Vibration
IEC 68-2-6, test Fc:
All parameters within initial
10..500 Hz, 10g, 2 h, 3 directions
IEC 68-2-27, test Ea:
100g, – sine, 3 bumps, 6 directions
limits
All parameters within initial
limits
Mechanical shocks
-
Notes:
1. The TCXO is not designed to lock on any external references. The 24 hours drift can be measured
any time after minimum 1 hour from initial turn on. Please contact factory for details.
2. The Temperature Stability is calculated with regard to frequency reading at 25±Cꢀ 1±C.
* Telecordia is a trademark of Telecordia Technologies
** This specification is typical. Other frequencies, output types and custom parameters are available. Please, contact
factory for details.
§
REFLOW PROFILE
RALTRON ELECTRONICS CORP. §10651 N.W . 19t h St §Miami, Florida 33172 §U.S.A.
phone: +001(305) 593-6033 §fax: +001(305)594-3973 §e-mail: sales@raltron.com §internet: http:/www.raltron.com