EX-245 Datasheet, PDF (2/6 Pages) Vectron International, Inc – Hi-Reliability Evacuated Miniature Crystal Oscillator

Parameter
vs. operating temperature range
(Referenced to +25°C)
Parameter
Initial tolerance For Fixed Freq.
Settability
vs. supply voltage change
vs. load
vs. aging / day
vs aging / 1 year
vs. aging /10 year
Warm-up Time
Frequency stabilities¹ [>20 to 40 MHz]
Min
Typ
Max
Units
-75
+75
ppb
-100
+100
ppb
-150
+150
ppb
Min
Typ
Max
Units
Operating temp range
0 … +60°C
-20 … +70°C
-40 … +85°C
Condition
-1.5
-0.3
-25
-25
-3
-300
-3000
+1.5
ppm
+0.3
ppm
+25
ppb
+25
ppb
+3
ppb
+300
ppb
+3000
ppb
Fixed, no adjust option
V_S ± 5%
Load ± 5%
after 7 days of operation
120
seconds to ± 1ppm of final freq. @+25°C
180
seconds to ± 100ppb of final freq. @+25°C
Parameter
Supply voltage [Standard]
Power consumption
Parameter
Signal [Standard]
Load
Signal Level (Vol)
Signal Level (Voh)
Rise/Fall Time
Duty cycle
Signal [Option]
Load
Output Power [Standard]
Output Power [Option]
Harmonics
Spurious
Min
4.75
Min
0.9
40
0.0
3.0
Supply Voltage (Vs)
Typ
Max
5
5.25
2.2
0.7
1.2
Units
VDC
Watts
Watts
Watts
Condition
during warm-up
steady state @ +25°C
steady state @ -40°C
RF Output
Typ
Max
Units
HCMOS
15
0.1
+7
60
Sinewave
50
+2.0
4.0
+5.0
7.0
-25
-60
pF
VDD
VDD
ns
%
Ω
dBm
dBm
dBc
dBc
Condition
(10-90%)
@ (Voh-Vol)/2
50 Ohm load
50 Ohm load
Frequency Tuning (EFC)
Parameter
Tuning Range
Min
Typ
Max
Units
Fixed, No Adjust
Condition
Tuning Range
Sufficient to compensate for 10 years aging
EFC (0V to 4V)
Vref
4.0
4.1
4.2
Vdc
Source Current 1mA maximum
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Vectron International•267 LowellRoad, Hudson, New Hampshire 03051•Tel:+1-88-VECTRON-1
Vectron International GmbH & Co. KG • Landstraße, 74924 Neckarbischofsheim, Germany • Tel: [phone]