TX-702
Temperature Compensated Crystal Oscillator
Features
EFC Standard
Small Size
100% RoHS compliant
Low Profile
Typical Applications
PCS Base Stations
Land Mobile Radio
Cellular Telephony
Radio in the Local Loop
Previous Vectron Model Numbers
Frequency Range
Standard Frequencies
52 MHz – 1 GHz
622.08 MHz
Frequency stabilities
1
Parameter
vs. operating temperature range
Min
-1.5
-1.0
Typ
Max
+1.5
+1.0
+2.5
+1.0
+1.0
+0.5
Units
ppm
ppm
ppm
ppm
ppm
ppm
Operating temperature range
-40 ... +70°C
-40 ... +70°C
-20 ... +70°C
-20 ... +70°C
0 ... +50°C
0 .. +50°C
(Referenced to +25°C)
-2.5
-1.0
-1.0
-0.5
Parameter
Initial tolerance
vs. supply voltage change
vs. load change
vs aging
/1. Year
Min
- 2.5
- 0.5
- 0.2
- 1.0
Typ
Max
+2.5
+0.5
+0.2
+1.0
Units
ppm
ppm
ppm
ppm
Condition
at time of shipment, nominal EFC
V
S
± 5%
Load ± 10%
htttp://www.vectron.com
Vectron International•267 LowellRoad,
Hudson, New Hampshire 03051•Tel:+1-88-VECTRON-1
Vectron International GmbH & Co. KG • Landstraße, 74924 Neckarbischofsheim, Germany • Tel: +49 7268 801 100
TX-702 page: 1/7
Options
5
Frequency stabilities
1
[Stratum 3 TCXO]
Parameter
vs. operating temperature range
(Referenced to +25°C)
Min
-0.8
-0.28
-0.28
-0.80
-0.28
-0.28
Typ
Max
+0.8
+0.28
+0.28
+0.80
+0.28
+0.28
Units
ppm
ppm
ppm
ppm
ppm
ppm
Operating temperature range
-20 ... +70°C
0 ... +50°C
-20 ... +70°C
-40 ... +85°C
-30 ... +85°C
-40 ... +85°C
Parameter
Initial tolerance
vs. supply voltage change
vs. load change
vs aging
/20 Years
Min
-1.0
-0.2
-0.1
-2.5
-4.6
Typ
Max
+1.0
+0.2
+0.1
+2.5
+4.6
Units
ppm
ppm
ppm
ppm
ppm
Condition
at time of shipment, nominal EFC
V
S
± 5%
Load ± 10%
overall tolerance
Note:* Stratum 3 per GR-1244-CORE:
<±4.6 ppm for all causes and 20 years
aging,Holdover: <±0.37 ppm over 24
hours
Supply Voltage (Vs)
Parameter
Supply voltage [Standard]
Current consumption
Min
3.135
Typ
3.3
Max
3.465
12
Units
VDC
mA
Condition
steady state @ +25°C
RF Output
Parameter
Signal
Load
Rise and Fall time
Duty cycle
Signal
Load
Rise and Fall time
Duty cycle
Min
Typ
PECL
50
Max
Units
Condition
Ω
1
ns
%
Vs - 2V
20 to 80 %
45
LVDS
100
55
Ω
1
ns
%
10 to 90 %
40
60
htttp://www.vectron.com
Vectron International•267 LowellRoad,
Hudson, New Hampshire 03051•Tel:+1-88-VECTRON-1
Vectron International GmbH & Co. KG • Landstraße, 74924 Neckarbischofsheim, Germany • Tel: +49 7268 801 100
TX-702 page: 2/7
Options
5
Frequency Tuning (EFC) or Enable
Parameter
Tuning Range
Tuning Range for Stability: 807; 287;
157
Stratum 3 Version
Linearity
Tuning Slope
Control Voltage Range
Freq. control input impedance
0.3
10
1.65
± 5.0
Min
Typ
Max
Units
Condition
Fixed TCXO; No adjust
±14.0
10 %
Positive
3.0
VDC
kΩ
with Vs=3.3VDC
± 20.0
ppm
Additional Parameters
Parameter
Phase Noise
3
Min
Typ
-55
-85
-105
-115
-112
-130
-146
Max
Units
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
ps
4g
10
100
1
10
100
1
10
Condition
Hz
Hz
kHz
kHz
kHz
MHZ
MHZ
12kHz - 20 MHZ
@622.08 MHZ
PECL
Jitter
Weight
Processing & Packing
0,5
Handling & processing note
Absolute Maximum Ratings
Parameter
Supply voltage (Vs)
Control Voltage
Operable temperature range
Storage temperature range
0
-40
-55
Min
Typ
Max
6.0
Vs
+85
+125
Units
V
V
°C
°C
Conditions
Standard Shipping Methode
Lage im Gurt
Position in tape
Pin 1
A
X
B
K
P
Enclosure Type
C294
*bei W
≤ 24
mm
nur untere Lochreihe
∗by
W
≤
24 mm only lower hole line
Abwickelrichtung
Unwinding direction
Gurtunterseite
Tape buttom side
Gurtoberseite
Tape upper side
Production tolerance complying DIN IEC 286-3
Tape width W
12
Quantity per
150.
Quantity per reel
750.
Dimension P
8
htttp://www.vectron.com
Vectron International•267 LowellRoad,
Hudson, New Hampshire 03051•Tel:+1-88-VECTRON-1
Vectron International GmbH & Co. KG • Landstraße, 74924 Neckarbischofsheim, Germany • Tel: +49 7268 801 100
TX-702 page: 3/7
Enclosure
Package Codes: 700
Type
G294
Height “H”
2.5
Pin Length “L”
NA
Dimensions: mm
Pin Connections
1: Voltage Control (Vc) / Enable / N.C
2: N.C.
3: Ground (Case)
4: RF output
5: RF output compl.
6: Supply Voltage Input (Vs)
Marking
TX-702
Frequency
●
AYYWW
htttp://www.vectron.com
Vectron International•267 LowellRoad,
Hudson, New Hampshire 03051•Tel:+1-88-VECTRON-1
Vectron International GmbH & Co. KG • Landstraße, 74924 Neckarbischofsheim, Germany • Tel: +49 7268 801 100
TX-702 page: 4/7
Recommended Reflow Profile
Profile Feature
Average ramp-up rate (T
L
to T
p)
Preheat
-Temperature Min T
Smin
-Temperature Min T
smax
-Time (min to max) t
S
Pb-Free Assembly/
Sn-Pb Assembly
3°C/second max.
150°C
200°C
3°C/second max
217°C
60-150 seconds
max 260°C
Profile Feature
Time 25°C to Peak Temperature
Time maintainted above
-Temperature (T
L
)
Pb-Free Assembly/
Sn-Pb Assembly
8 minutes max.
217°C
T
Smax
to T
L
-Ramp-up Rate
Time maintainted above
-Temperature (T
L
)
-Time (t
L
)
Peak Temperature (T
P
)
Time within 5°C of actual Peak
Temperature (t
P
)
Ramp-down Rate
20-40 seconds
6°C/ second max
Note: All temperatures refer to topside of the package, measured on the package body surface.
htttp://www.vectron.com
Vectron International•267 LowellRoad,
Hudson, New Hampshire 03051•Tel:+1-88-VECTRON-1
Vectron International GmbH & Co. KG • Landstraße, 74924 Neckarbischofsheim, Germany • Tel: +49 7268 801 100
TX-702 page: 5/7
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