DIGITAL TCXO
SMT STRATUM 3 DIGITAL TCXO 101 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
SYMBOL
CONDITIONS
VALUE
UNIT
V
Supply voltage, nom.
Vs
Is
Vs±5%
3.0
5.0
Supply current, max.
Frequency, nom.
Vs, nom. / Ta=25°C
2.0 to 15.0
10.000 to 40.000
±4.6
mA
fo
-
MHz
ppm
Overall frequency stability over 10
years of operation including Initial
Frequency Calibration
Ta=-40°C to + 85°C
∆fc/fo
Frequency drift during 24 hours of
continuous operation, max (See note 1)
Ta=-40°C to + 85°C
±0.37
±0.30
ppm
ppm
∆fc/fo
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
±0.28
ppm
V
Control voltage range (see note 3)
Frequency Adjustment Range
(see note 3)
Vc
-
+0.25…+2.25
-5 …-10
+5 …+10
100
Vc= 0.25V
PPM
PPM
∆f/fo (Vc)
Vc= Vs-0.25V
-
Voltage control (pin 1) input
impedance, min. (see note 3)
Jitter (peak to peak), max
(Fnom = 20 MHz)
Zin
kΩ
J(f)
10
ps
Offset ∆f = 12kHz to 20MHz
Phase noise SSB @ freq.offset, max
(Fnom = 20 MHz)
-80
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
£ (∆f)
∆f=10Hz
-110
-130
-145
∆f=100Hz
∆f=1kHz
∆f ≥ 10kHz
Load = 15pF
Load=10 kΩ||20pF
HCMOS output levels
Clipped Sine
VOH/VOL
Vout
0.9Vcc / 0.1Vcc
V
0.7
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:
limits
All parameters within initial
limits
Mechanical shocks
-
100g, ½ sine, 3 bumps, 6 directions
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.
3. Parameter relevant only to products with TY prefix.
* 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.
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