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TX-703 / TX-704
Temperature Compensated Crystal Oscillator
• Excellent Temperature Stability
• Stratum 3 compliant
• Good Phase noise behaviour
• EFC option
• Small Size, low prole
• 100% RoHS Compliant
• Frequency range 1 of 6.4 - 35 MHz
• Standard Frequencies 1: 10, 12.8, 19.2, 19.44, 20, 20.48, 26MHz
• up to 52MHz on request for reduced stabilities
• Wireline Stratum 3 applications
• Femto cell
• Test & Measurment
• Wireless Communications
Previous Vectron Model Numbers - C2260, TX-700
Features Applications
Performance Specications
Frequency Stabilities1,5
Parameter Min Typical Max Units Condition
vs. operating temperature range
(referenced to +25°C)
-0.14
-0.28
-0.28
+0.14
+0.28
+0.28
ppm
ppm
ppm
0 to +50°C
-20 to +70°C
-40 to +85°C
Options5
Initial tolerance
vs. supply voltage change
vs. load change
vs. daily drift
vs. aging / 20 Years
Overall tolerance
-1.0
-0.2
-0.1
-0.04
-2.5
-4.6
+1.0
+0.2
+0.1
+0.04
+2.5
+4.6
ppm
ppm
ppm
ppm
ppm
ppm
at time of shipment, nominal EFC
VS ±5% static
Load ±5% static
After 5 days of operation
Note:*Stratum 3 per GR-1244-CORE:
<±4.6ppm for all causes and 20 years aging,
holdover: <±0.32ppm over 24 hours
TX-703 / TX-704
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Performance Specications
Supply Voltage (Vs)
Parameter Min Typical Max Units Condition 2
Supply voltage (standard) 3.135 3.3 3.465 VDC
Current consumption 6 mA steady state @ +25°C
RF Output (Clipped Sinewave)
Load R
|| C
9
9
10
10
11
11
kΩ
pF
Output Power 0.7 VPP @ 10kΩ || 10pF
RF Output (HCMOS)
Load 13.5 15 16.5 pF
Signal Level (Vol) 0.3 VDC with Vs=3.3V and 15pF Load
Signal Level (Voh) 3.0 VDC with Vs=3.3V and 15pF Load
Rise and Fall time 5 ns
Duty Cycle 40 50 60 % @ (Voh-Vol)/2
Frequency Tuning (EFC)
Tuning Range Fixed TCXO; No adjust
Opti-
on5
Tuning Range ±5.0 ±14.0 ±20.0 ppm
Linearity 10%
Tuning Slope Positive
Control Voltage Range
Freq. control input impedance
0.3
10
1.65 3.0 VDC
kΩ with Vs=3.3V
Additional Parameters
Phase Noise3
-95
-120
-143
-155
-157
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
10 Hz
100 Hz
1k Hz
10 kHz
100 kHz
@ 10MHz
Weight 1.0 g
Mechanical Shock (TX-704 only) 1500g 0.5ms 6 shocks in
each axis MIL-STD-202 Meth 213 Cond. F
Random Vibration (TX-704 only) 53.79grms 15min per axis MIL-STD-202G, Meth 214A, Cond II-K
Processing & Packing Handling & Processing Note
Absolute Maximum Ratings
Supply voltage (Vs) 6.0 V
Control Voltage 0Vs V
Operable Temperature Range -40 +85 °C
Storage Temperature Range -55 +125 °C
Cross Reference List
Standard Shipping Method
Enclosure Type Tape Width W (mm) Quantity per meter Quantity per reel Dimension P
G290/G298 12 150. 750. 8
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Cross Reference List
Standard Shipping Method
Standard Shipping Method
Package Codes: 703
Type Height “H”
G298 1.8mm
Package Codes: 704
Type Height “H”
G290 1.8mm
Pin Connections: TX-703
1Voltage Control (Vc) / Enable / N.C
2Ground (GND)
3RF Output
4Supply Voltage Input (Vs)
Marking
TX-70X
Frequency
AYYWW
Pin Connections: TX-704
1I.C. (Internal connected: do not connect)
2N.C. (Not connected)
3I.C. (Internal connected: do not connect)
4Ground (GND)
5RF Output
6N.C. (Not connected)
7N.C. (Not connected)
8Enable / N.C.
9Supply Voltage Input (Vs)
10 Voltage Control (Vc) / N.C.
Enable true table (optional): TX-703
Pin 1 Pin 3
High Data
Open Data
Low High Tristate
Enable true table (optional): TX-704
Pin 8 Pin 5
High Data
Open Data
Low High Tristate
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Typical Measurement Data
Phase Noise 3
TX703 @ 10 MHz
MTIE according-1244-CORE:
TX-703 @ 10 MHz
Recommended Reow Prole
Prole Feature Pb-Free Assembly/
Sn-Pb Assembly
Prole Feature Pb-Free Assembly/
Sn-Pb Assembly
Average ramp-up rate (TL to TP) 3°C/second max. Time 25°C to Peak Temperature 8 minutes max.
Preheat -Temperature Min TSmin
-Temperature Min TSmax
-Time (min to max) tS
150°C
200°C
60-180 seconds
Time maintained above
-Temperature (TL)
-Time (tL)
217°C
60-150 seconds
TSmax to TL -Ramp-up Rate 3°C/second max
Time maintained above
-Temperature (TL)
-Time (tL)
217°C
60-150 seconds
Time within 5°C of actual Peak
Temperature (tP)
20-40 seconds
Peak Temperature (TP) max 260°C Ramp-down Rate 6°C/ second max
Note: All temperatures refer to topside of the package, measured on the package body surface.
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Ordering Information 1, 5
TX-70X 0 - E A J - 287 0 - 10M0000000
Model Code
703: Enclosure G298
704: Enclosure G290
Height
0: 1.8mm
Supply Voltage
E: 3.3V
Frequency
Frequency Control
0: No Tuning
1: EFC: ±5.0 to 20ppm
2: Enable
3: Enable & EFC: ±5.0 to ±20ppm (only avail-
able for TX-704, 10-pin verion)
RF Output Code
A: HCMOS
F: Clipped Sinewave
Temperature Range & Stability Code
E-287: -40°C to +85°C, ±0.28ppm
J-287: -20°C to +70°C, ±0.28ppm
P-147: 0°C to +50°C, ±0.14ppm
Notes:
1. Contact factory for improved stabilities or additional product options. Not all options and codes are available at all
frequencies.
2. Unless other stated all values are valid after warm-up time and refer to typical conditions for supply voltage, frequency
control voltage, load, temperature (25°C).
3. Phase noise degrades with increasing output frequency.
4. Subject to technical modication.
5. Contact factory for availability.
Disclaimer
Vectron International reserves the right to make changes to the product(s) and or information contained herein without notice. No liability is assumed as a result of their use or application.
No rights under any patent accompany the sale of any such product(s) or information.
Rev: 11/2010
For Additional Information, Please Contact
USA:
Vectron International
267 Lowell Road
Hudson, NH 03051
Tel: 1.888.328.7661
Fax: 1.888.329.8328
Europe:
Vectron International
Landstrasse, D-74924
Neckarbischofsheim, Germany
Tel: +49 (0) 7268.801.100
Fax: +49 (0) 7268.801.281
Asia:
Vectron International
1589 Century Avenue, the 19th Floor
Chamtime International Financial Center
Shanghai, China
Tel: 86.21.6081.2888
Fax: 86.21.6163.3598