High Frequency
Temperature Compensated Crystal Oscillator
TX-500
-500
TX
TX-500
Features
• Low Phase Noise
• Low power consumption
• Output: HCMOS, PECL, True Sinewave
• Tight Tolerances
• Frequency range
1
of 50 - 160 MHz
• Standard Frequencies : 50, 50.4, 77.76, 80, 98.304, 100,
122.88, 125, 155.52, 156.25 MHz
•
•
•
•
Applications
Test Equipment
Communication Equipment
Military
Industrial Application
Performance Specifications
Frequency Stabilities
1
(Standard TCXO)
Parameter
vs. operating temperature range
(referenced to +25°C)
Min
-1
-0.5
-1
-0.28
-1
-0.2
-0.1
-1
Typical
Max
+1
+0.5
+1
-0.28
+1
+0.2
+0.1
+1
Units
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
Condition
-40 to +85°C
-40 to +85°C
-20 to +70°C
-20 to +70°C
at time of shipment, nominal EFC
V
S
±5% static
Load ±10% static
after 30 days of operation
Options
3
Options
3
Initial tolerance
vs. supply voltage change
vs. load change
vs. aging / year
Frequency Stabilities
1
(Stratum 3 TCXO)
Parameter
vs. operating temperature range
(referenced to +25°C)
Min
-0.8
-0.28
-0.8
-0.28
-1
-0.2
-0.1
-1
-2.5
-4.6
Typical
Max
+0.8
+0.28
+0.8
-0.28
+1
+0.2
+0.1
+1
+2.5
+4.6
Units
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
Condition
-40 to +85°C
-40 to +85°C
-20 to +70°C
-20 to +70°C
at time of shipment, nominal EFC
V
S
±5% static
Load ±10% static
after 30 days of operation
Note: Statum 3 per GR-1244-CORE:
<±4.6ppm for all causes and 20years aging
Holdover: <±0.37ppm over 24 hours
Initial tolerance
vs. supply voltage change
vs. load change
vs. aging / year
vs. aging / 20 years
Over all tolerance
Page 1 of 6
Performance Specifications
Supply Voltage (Vs)
Parameter
Supply voltage (standard)
Supply voltage (Option)
Current consumption
Min
3.135
4.75
Typical
3.3
5
Max
3.465
5.25
35
100
Units
VDC
VDC
mA
mA
Condition
steady state @25°C, HCMOS, Clipped sinewave
steady state @25°C, PECL
RF Output
Signal [standard]
Load
Signal Level (Vol)
Signal Level (Voh)
Duty Cycle
Rise and Fall time
Signal [Option]
Load
Rise and Fall time
Duty Cycle
Signal [Option]
Load
Output power
Tuning Range
Tuning Range
Linearity
Tuning Slope
Control Input Impedance
Control Voltage Range
10
0.3
1.65
-78
-104
-134
-147
-152
-152
-158
0.2
-73
-102
-132
-150
-158
-160
0.1
-76
-102
-132
-151
-155
-157
-164
0.1
3.0
±8
±5
<10%
Positive
kOhm
VDC
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
ps RMS
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
ps RMS
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
ps RMS
with Vs=3.3V
10 Hz
100 Hz
1 kHz
10 kHz
100 kHz
1 MHz
10MHz
@ 12 kHz to 20 MHz
10 Hz
100 Hz
1 kHz
10 kHz
100 kHz
1 MHz
@ 12 kHz to 20 MHz
10 Hz
100 Hz
1 kHz
10 kHz
100 kHz
1 MHz
10MHz
@ 12 kHz to 20 MHz
45
0
45
50
3
45
50
PECL
55
1
55
True Sinewave
55
6
Ohm
dBm
Ohm
ns
%
2.6
40
60
5
%
ns
13.5
15
HCMOS
16.5
0.3
pF
VDC
with Vs=3.3V and 15pF Load
with Vs=3.3V and 15pF Load
@ (Voh-Vol)/2
@15 pF 10 to 90 %
Available > 40MHz only
to Vs - 2V
20 to 80%
Frequency Tuning (EFC)
ppm
ppm
Standard Version
Stratum 3 Version
Option
@ 100MHz
LVPECL
3.3 V
@ 100MHz
HCMOS
3.3V
@ 100MHz
Sine
3.3V
Fixed TCXO; No adjust
Additional Parameters
Phase Noise
2
Jitter
Phase Noise
2
Jitter
Phase Noise
2
Jitter
Page 2 of 6
Absolute Maximum Ratings
supply voltage (Vs)
Output Load
Operable Temperature Range
Storage Temperature Range
-40
-40
6.0
50
+85
+105
V
pF
°C
°C
with Vs=3.3 VDC
Typical Performance
Phase Noise
TX-500 @ 100MHz LVPECL
Phase Noise
TX-500 @ 100MHz Sinewave
Phase Noise
TX-500 @ 100MHz HCMOS
Phase Noise
Page 3 of 6
Outline Drawing / Enclosure
TX-500
Type
G214B [Standard]
G214C [Option]
G286B
G371
Height “H” in mm
5.9 (metal cap)
2.8 (metal cap)
5.9 (black plastic cap)
3.8 (black plastic cap)
2,54
programming pins
leave unconnected
5,08
G286B
G371
1,27
6,4
1,27
1
land pattern
recommendation
5,08
H +0,3
0,1
6
5
4
8,7
Dimensions in mm
9,4
0,1
top view
1,3
1
2
3
14,3
0,1
Pin Connections (CMOS, True Sinewave)
1
2
3
4
5
6
Control Voltage Input (Vc) / N.C.
N.C.
Ground (Case)
RF-Output
N.C.
Supply Voltage Input (Vs)
1
2
3
4
5
6
Pin Connections (PECL)
Control Voltage Input (Vc) / N.C.
N.C.
Ground (Case)
RF-Output
RF-Output_complementary
Supply Voltage Input (Vs)
Page 4 of 6
2,5
Standard Shipping Method (TX-500)
K
1.75±0.1
Position in tape
Pin1
A
4.0
XXXXX
XXXXX
Unwinding direction
B
B
cross-section
A-A
R
0.7
5
A
A
±0.05
P
0.2
0
if W < 32mm only upper hole line existent
cross-section
B-B
Dimension in mm:
A, B and K are dependent uppon component dimensions
production tolerance complying DIN IEC 286-3
All dimensions in millimeters unless otherwise stated
Enclosure Type
G214B / G286C
G214C
Tape Width W (mm)
24
24
Quantity per meter
83.3
83.3
Quantity per reel
850
1700
W
B
Dimension P
12
12
Recommended Reflow Profile
TP: max 250°C (@ solder joint,
customer board level)
T
p
: max: 10…30 sec
Additional Information:
This SMD oscillator has been
designed for pick and place reflow
soldering
SMD oscillators must be on the top
side of the PCB during the reflow
process.
Page 5 of 6
