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EX-620 Series
Series
Evacuated Miniature Crystal Oscillator
EMXO
TM
Vectron International www.vectron.com
v.2008-07-07 page 1 of 5
Vectron International
Headquarters
267 Lowell Road
Hudson, New Hampshire 03051
+1-888-328-7661 tel
+1-888-329-8328 fax
Vectron International LLC.
100 Watts Street
Mount Holly Springs, PA 17065
USA
+1-717-486-3411 tel
+1-717-486-5920 fax
Vectron international GmbH & Co. KG
Landstrasse
D-74924 Neckarbischofsheim
Germany
+49-07268-801-0 tel
+49-07268-801-281 fax
Vectron Asia Pacific Sales Office
1F-2F, No 8 Workshop, No 308 Fenju
Road, WaiGaoQiao Free Trade Zone,
Pudong, Shanghai, P.R. China 200131
+86 21 5048 0777 tel.
+86 21 5048 1881 fax
Frequencies
10Mhz to 30Mhz
Standard Frequencies
10, 11.68, 12.8, 16.384, 19.44, 20, 30Mhz
Frequency Stabilities
1
Parameter
Min
Typ
Max.
Units
Operating temp
range
Ordering Code
vs. operating temperature range
-50
+50
ppb
-0 … +70°C
C508
(Referenced to frequency at +25°C)
-75
+75
ppb
-20 … +70°C
D758
-100
+100
ppb
-40… +85°C
F107
-140
+140
ppb
-20 … +70°C
DST3
Operating
Temperature
-140
+140
ppb
-40… +85°C
FST3
Holdover
-370
+370
ppb
24 hours
Drift
-4.63
+4.63
10
-13/sec
Over 7100 seconds
vs. Stratum 3 per
GR-1244-CORE
MTIE
1x10
-6
0.16sec < ObserveTimes < 64sec
vs. supply voltage change
vs. load change
vs. aging
/ day
vs aging
/ year
-20
-10
-2
-300
+20
+10
+2
+300
ppb
VS ± 5%
Load ± 10%
after 30 days of operation
Warm-up Time
60
90
seconds
± 100ppb of freq at 1hr after turn on @ +25°C
± 100ppb of freq at 1hr after turn on @ -40°C
Supply voltage (Vs)
Parameter
Min
Typ
Max.
Units
Condition
Ordering Code
4.75
5
5.25
VDC
C
Supply voltage
3.135
3.3
3.465
VDC
D
Power consumption
1.5
Watts
during warm-up
0.3
0.6
Watts
steady state @ +25°C
steady state @ -40°C
RF Output
Parameter
Min
Typ
Max.
Units
Condition
Ordering Code
HCMOS
Load
15
pF
Signal Level (Vol)
0.1 Vs
VDC
15pF load
Signal Level (Voh)
0.8 Vs
VDC
15pF load
Duty cycle
40
60
%
@ (Voh-Vol)/2
A
Load
50
Output Power
0
4
dBm
50 Ohm load
G
Output Power
3
7
dBm
50 Ohm load
H
Harmonics
-30
dBc
50 Ohm load
Sinewave
Spurs
-60
dBc
50 Ohm load
Description:
The EX-620 Series offers a ruggedized hybrid thick film construction in a low
profile hermetically sealed 4pin HALF DIP package, which can withstand
severe environmental conditions. This product utilizes VI’s EMXO
TM
technology resulting in excellent stability performance and fast warm-up with
low power consumption.
Features:
IT Cut Crystal
Temp Stability to +/-5x10
-8 over 0°C to +70°C
Low Power Consumtion: <0.3W @ 25°C , 0.6W @ -40°C
Fast Warm-up: 60 seconds @ 25°C
4-Pin Half Dip: 0.52”(W)x0.52”(L)x0.30”(H)
Weight: <3gm
Available in Thru Hole and Surface Mount Package