VFT8HA17S250.0M [ECM]
HCMOS/TTL Output Clock Oscillator;
| 型号： | VFT8HA17S250.0M |
| 厂家： | 
ECM ELECTRONICS LIMITED. |
| 描述： | HCMOS/TTL Output Clock Oscillator 机械 振荡器 |
| 文件： | 总1页 (文件大小：176K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Micro Miniature OCXO
ECM VFT8 Series
§ Smallest OCXO Available
§ Extremely Low Power Consumption
§ Very Fast Warm-up
§ Low Phase Noise
§ Low Aging
§ Surface Mount Option (VFT8SM)
Parameter
Frequency Range
Frequency Stability
VFT8
4.80 to 50.0MHz
+/-100ppb max
5ppb max
5E-10
vs Temp
vs Supply
After 30Days
Aging per Day
Per Year
1E-7
Allan Variance
SSB Phase Noise
10Hz
100Hz
10kHz
1E-11
0.1s to 10s
-120dBc/Hz
-145dBc/Hz
-160dBc/Hz
+/-20ppb max
+/-1ppb/G max
5V +/-5%
Retrace
After 30 mins
Worst Direction
12V Option
G-sensitivity
Input Voltage
Input Current (Typ)
Steady state 250C
Steady State -300C
Start up Current
Load
Vcc 5V
Vcc12V
12 mA
35 mA
200 mA
25 mA
70 mA
100 mA
35 / 20 max
A
12.7
B
9.27
C
14.3
D
10.9
E
6.35
F
7.62
G
15.2
H
7.62
Dimensions in mm
10K ohm //15pF
Pin
1
Vc
2
Vref
3
4
5
O/P
6/7
N/C
8
Vcc
Warm-up Time
Output Waveform
Control Voltage
Pulling Range
Deviation Slope
Setability
35s typ to 0.1ppm
20s Vcc 12V
Tristate
Case
Gnd
3.3V HCMOS /TTL Compatible
0V to 4.1V
+/-0.5ppm to +/-1ppm
0.4ppm/V
1.0V min 3.0V max
from nominal
monotonic positive
@ 250C Fnom
VFT8H A 17 L
2 10.0M
Stability
Aging
Frequency
Temperature
Supply
5=
2=
1x10-7
5x10-8
2x10-8
1x10-8
5x10-9
Yx10-z
L=
S=
P=
1x10-9/Day
5x10-10/Day
2x10-10/Day
A=
B=
C=
D=
E=
F=
00C to 500C
5V
12V
17=
58=
28=
18=
59=
YZ
-100C to 600C
00C to 700C
-200C to 700C
-300C to 700C
-450C to 850C
ECM Electronics Limited, Penmaen House, Ashington, West Sussex, RH20 3JR, UK
Tel: +44(0)1903 892810: Fax: +44(0)1903 892738. Email: ecm@ecmelectronics.co.uk
Although we have attempted to accurately reflect the products we market. ECM reserve the right without prior notice to
discontinue any product or make design changes we believe necessary.
Issue 2
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