High Frequency
Temperature Compensated Crystal Oscillator
TX-500
TX-500
Features
•
•
•
•
•
•
Low Phase Noise
Low power consumption
Output: HCMOS, Clipped Sinewave, PECL, True Sinewave
Tight Tolerances
Frequency range
1
of 6.4 - 160 MHz
Standard Frequencies : 10, 12.8, 16.384, 19.44, 19.2, 20, 26
50, 77.76, 100, 122.88, 125, 155.52 MHz
•
•
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Applications
Base Station
Test Equipment
Communication Equipment
Digital Switching
Military
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 R
Load // C
Output power
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
-87
-119
-138
-151
-155
-155
0.2
-73
-102
-132
-150
-158
-160
0.1
2.0
Handling & Processing Note
3.0
±8
±5
<10%
Positive
kOhm
VDC
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
g
with Vs=3.3V
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
@ 12 kHz to 20 MHz
45
0
45
50
3
45
50
9
9
0.7
PECL
55
1
55
True Sinewave
55
6
Ohm
dBm
Ohm
ns
%
10
10
2.6
40
60
5
Clipped Sinewave
11
11
kOhm
pF
V
PP
@ 10kOhm // 10pF
Available > 40MHz only
to Vs - 2V
20 to 80%
%
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
Frequency Tuning (EFC) 6.4 to 26 MHz
ppm
ppm
Standard Version
Stratum 3 Version
Option
5
@ 12.8
MHz
HCMOS
3.3 V
@ 100MHz
HCMOS
3.3V
Fixed TCXO; No adjust
Additional Parameters
Phase Noise
2
Jitter
Phase Noise
Jitter
Weight
Processing & Packing
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 @ 12.8MHz HCMOS
Phase Noise
TX-500 @ 100MHz HCMOS
Page 3 of 6
Outline Drawing / Enclosure
TX-500
Type
G214B [Standard]
G214C [Option]
G286C [Option]
Height “H”
5.9
2.8
6.1
Dimensions in mm
Pin Connections (CMOS, Clipped Sinewave,
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
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
