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參數(shù)資料
| 型號： | QEM77-AH |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 2/7頁 |
| 文件大?。?/td> | 105K |
| 代理商： | QEM77-AH |
QEM77-AH
41 x 41 mm / 19 pins
MCXO
Operating Procedure
SALES OFFICES:
Benelux:
+33 (0) 1 46 90 23 00 /
Germany:
+49 (0)
89 820 796-27
/
Nordic:
+46 (0) 8 59030300
France:
+33 (0) 1 46 90 23 00 /
Italy:
+39 (0) 738 8869 /
Spain:
+33 (0) 1 46 90 23 00 /
UK:
+44 (0) 1256 883340
USA:
+1 (623) 780-1995 /
Asia-Pacific
: +33 (0) 5 56 46 66 84
WEB SITE: http://www.temex-components.com
Specifications are subject to change without notice - Page 2 / 7
TEMEX
TIME &
FREQUENCY
QEM77AH
04-05-2001
Typical value for 10 MHz
output frequencies
FMCXO outputs: 10 MHz, 5 MHz, 1 MHz user-selectable by external digital control FM1 output 1
Hz
Code FT 28
≤
± 2 x 10
-8
from -30°C to +85°C
Code AY 17
≤
± 1 x 10
-7
from -55°C to +125°C
frequency variations vs.
temperature changes
Calibration precision
Nominal frequency settability (see below) at + 25°C attained for
1.4 V 1% on pin 18
2x10
-8
/ 1s. and 2x10
-8
/ 10s
short-term stability
long-term stability
frequency stability vs.
supply voltage
vs. load
supply voltage
supply current
1x10
-9
/ day and 1x10
-8
/ month
±
1.10
-9
( 5V
±
5% )
±
1.10
-9
(between 1 LSTTL gate and 2 LSTTL gates)
3.25 V
≤
Vcc
≤
6 V
Start-up
≤
8 mA
normal operation mode :
≤
6 mA
stand-by mode :
≤
4 mA
output levels
output current FMCXO
rise / fall time
duty cycle
frequency adjustment
on 10 MHz
secondary functions
shock test
vibration test (sinewave)
vibration test (random)
package
marking
″
0
″
≤
0.4 V and
″
1
″
≥
2.4 V
≥
±
0.5 mA
≤
20 ns between 20 % and 80 % of the actual output level, at +25°C
±
2°C
50 / 50 ± 5% at Vcc/2
≥
±
5x 10
-6
through RS232 (settability to 4.10
-9
)
≥
±
1x 10
-6
with a 47 k
potentiometer connected between pin 18 and GND
or with control voltage 0.5V to 2.8V on pin 18 (slope 1 x 10
-6
/ V)
Delay between adjustment and corresponding change of FMCXO :
≤
500s to 4.10
-9
or
≤
10 s to 1.10
-7
see next page
MI L STD 202F, method 213B, condition l : 3 x 3 shocks 100 g, sawtooth, 6 ms
MI L STD 202F, method 204D, condition D : 10 Hz to 2 kHz / 10g / 3 axes
on request
n° 77
QEM 77-AH + CQE + date code + serial number
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