DIGITAL TCXO
Rev C.
SMT STRATUM 3 DIGITAL TCXO 230 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.
Frequency, nom.
SYMBOL
CONDITIONS
VALUE
UNIT
V
mA
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
MHz
Overall frequency stability over 10
years of operation including Initial
Frequency Calibration
Frequency drift during 24 hours of
continuous operation, max (See note
1)
Dfc/fo
Dfc/fo
Ta=-40°C to + 85°C
ppm
ppm
ppm
Ta=-40°C to + 85°C
±0.37
±0.30
or
Ta 0°C to + 70°C
Ta=-40°C to + 85°C
Temperature Stability (See note 2)
or
Ta=0°C to + 70°C
-
Vc= 0.25V
Vc= Vs-0.25V
-
±0.28
ppm
V
PPM
PPM
kW
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
Jitter (peak to peak), max
(Fnom = 20 MHz)
J(f)
Offset Df = 12kHz to 20MHz
10
ps
Phase noise SSB @ freq.offset, max
(Fnom = 20 MHz)
£ (Df)
Df=10Hz
Df=100Hz
Df=1kHz
Df ³ 10kHz
Load = 15pF
Load=10 kW||20pF
-80
-110
-130
-145
0.9Vcc / 0.1Vcc
0.7
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
V
HCMOS output levels
Clipped Sine
VOH/VOL
Vout
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, ½ sine, 3 bumps, 6 directions
limits
All parameters within initial
limits
Mechanical shocks
-
Notes:
1. 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°C±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.
§
NOT FOR REFLOW PROCESS
RALTRON ELECTRONICS CORP. § 10651 N.W. 19t h S t § 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
