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参数资料
| 型号： | 77-30-11 |
| 元件分类： | 衰减器 |
| 英文描述： | 0 MHz - 5000 MHz RF/MICROWAVE FIXED ATTENUATOR |
| 文件页数： | 1/1页 |
| 文件大小： | 88K |
| 代理商： | 77-30-11 |
45
Nominal ATTN (dB)
Deviation (dB)
10, 20
+ 0.70
30
+ 1.20
Model 77
dc to 5.0 GHz
Medium Power Fixed Coaxial Attenuators
25 Watts
Low IM Design, Bidirectional, 7/16 Connectors
Specifications
NOMINAL IMPEDANCE: 50
FREQUENCY RANGE:
dc to 5.0 GHz
Features
o Optimized for Wireless OEM & Test Applications.
o Low Intermodulation Design.
o Designed to meet environmental requirements of
MIL-A-3933.
NOTE:
All dimensions are given in mm (inches) and tolerances
are X.X+0.8 (0.03) unless otherwise specified.
MODEL NUMBER DESCRIPTION:
Example:
77 - XX - XX*
Basic
Model
Number
Attenuation
Value (dB)
Connector Options
1st digit is J1 side
2nd digit is J2 side
POWER COEFFICIENT: <0.002 dB/dB/watt
TEMPERATURE COEFFICIENT: <0.0004 dB/dB/°C
TEMPERATURE RANGE: -55 °C to 125 °C
CALIBRATION: Insertion loss test data supplied at 0.05,
1.0, 2.0, 3.0 and 4.0 GHz. Other test data can be provided
at additional cost.
CONNECTORS: 7/16 connector that conforms to DIN
47223, IEC 169-4, VG 95250, CECC 22 190.
Connector Options
Type/Description
1
7/16 Female
2
7/16 Male
CONSTRUCTION:
Black, finned aluminum body, silver
plated brass connectors
WEIGHT: 280 g (10 oz.) maximum
PHYSICAL DIMENSIONS:
Connector
DIM A
7/16 Male
32.3 (1.27)
7/16 Female
30.7 (1.21)
MAXIMUM DEVIATION OVER FREQUENCY:
Frequency (GHz)
SWR
dc - 3
1.20
3 - 5
1.30
MAXIMUM SWR:
3rd ORDER INTERMODULATION (33-XX-XX-LIM Only):
Reflected Levels (IM3), -100 dBc and Through Levels (IM3),
-110 dBc with two input signals @ 869 MHz and 891 MHz
with average carrier power levels of +41 dBm each. IM
specification at J2 limited to 10 Watts of input power.
POWER RATING (mounted horizontally): 25 watts
average (bidirectional) to 25°C ambient temperature, der-
ated linearly to 2.5 watts @ 125°C. Maximum power rating
into output is 10 watts average. 5 kilowatt peak
(5
sec pulse width; 0.25% duty cycle).
*Unit is bi-directional & full power may be applied to either J1 or J2.
5305 Spectrum Drive, Frederick, MD 21703-7362
TEL: 301-846-9222, 800-638-2048
Fax: 301-846-9116
web: www.weinschel.com
email: sales@weinschel.com
11/9/03
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