Temperature Compensated Crystal Oscillator
TX-550
TX-550
Description
The TX-550 Series TCXO innovative manufacturing and the latest technology to provide extremely low phase noise and
g-sensitivity. The assembly includes a dual crystal circuit to cancel opposing g-sensitivity vectors.
Features
•
•
•
•
•
Low Phase Noise, Low G-Sensitivity
Fully RoHS Compliant
Surface Mount, Low Profile
High Shock Survival up 20K g
Frequency Range: 8 MHZ to 80 MHZ
Applications
• Military Portable Radios
• GPS Telemetry
• Test and Measurement Equipment
Performance Specifications
Parameter
vs. operating temperature range
(referenced to +25°C)
Min
-2.0
-1.0
-0.5
-0.28
-1.0
-0.1
-0.2
Typ
Max
+2.0
+1.0
+0.5
+0.28
+1.0
+0.1
+0.2
4.0
5.25
3.465
2.9
35
Units
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
VDC
VDC
VDC
mA
Condition
-40… +85°C
-40… +85°C
-20… +70°C
0… +50°C
at time of shipment, nominal EFC
Vs ± 5%
Load ± 10%
@ +40°C
for 15 years
Frequency Stabilities
1
Initial Tolerance
vs. supply voltage change
vs. load change
vs. aging / 1 year
vs. aging
Supply voltage
Supply voltage
Supply voltage
Current consumption
±1
Supply Voltage (Vs)
4.75
3.135
2.7
5.0
3.3
2.8
Depends on frequency
RF Output
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Performance Specifications
Parameter
Signal
Load
Signal Level (Vol)
Signal Level (Voh)
Rise/Fall Time
Duty cycle
Signal
Level
Load R
Load C
Tuning Range
Tuning Range
Tuning Slope
Control Voltage Range
Freq. control input impedance
Phase Noise
3
(@ 20 MHz - no vibration)
0.0
10
±5.0
Positive
Vs
VDC
kohm
40
50
1
10
10
0.9*Vs
5
60
15
0.1*Vs
Min
Typ
Max
Units
pF
V
V
ns
%
Vpp
kohm
pF
Condition
HCMOS
@ nominal Load and 10% to 90% of waveform
@ nominal Load and @ 50% level
with Nominal Load
Clipped Sinewave
Frequency Tuning (EFC)
Fixed; No adjust
ppm
Additional Parameters
1
-90
-120
-140
-145
-150
0.2
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
ppb/g
10 Hz
100 Hz
1 kHz
10 kHz
100 kHz
per axis
MIL-STD-202G; Method 213B; Test Condition B
MIL-STD-202G; Method 214A; Test Condition I-F
MIL-STD-202G, METHOD 204D, Test Condition A
MIL-STD-202, METHOD 107, Test Condition A
Absolute Maximum Ratings
Supply voltage (Vs)
Control Voltage
Operable temperature range
Storage temperature range
0
-45
-55
6.0
Vs
+90
+105
V
V
°C
°C
Damage will occur beyond this level
G-Sensitivity
Shock
Vibration Random
Vibration Sine
Thermal Cycling
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
PhPphase
PhaseNoise Plot:
Outline Drawing / Enclosure
T
TX-550 Pin Connections
1
Dimensions in inches (mm)
2
3
4
Electronic Frequency Control (EFC)
Ground
RF Output
Supply
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
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