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參數(shù)資料
| 型號(hào)： | 910-20-11 |
| 元件分類： | 衰減器 |
| 英文描述： | 0 MHz - 4200 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 1 dB INSERTION LOSS-MAX |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大小： | 66K |
| 代理商： | 910-20-11 |
Weinschel
5305 Spectrum Drive, Frederick, MD 21703-7362
s TEL: 301-846-9222, 800-638-2048 s Fax: 301-846-9116
web: www.weinschel.com
s email: sales@weinschel.com
CORPORA TION
106
Model 910
dc to 4.2 GHz
Continuously Variable Attenuator
1 Watt
Choice of SMA or Type N Connector
Features
o Excellent Phase Characteristics - Near constant
phase shift with attenuation; nearly linear with
frequency
o Choice of Attenuation Ranges - Available in two con-
tinuously variable, calibrated attenuation ranges from
minimum to 10 dB and to 20 dB.
o Accurate - Attenuation dial is individually calibrated in
0.5 dB increments at 2 GHz. Calibration accuracy,
including resetability, is +0.3 dB to full range.
o Low Frequency Sensitivity - Small attenuation varia-
tions with frequency over the entire range of
attenuation.
o Rugged - Designed to meet many requirements of
MIL-A-24215.
Specifications
NOMINAL IMPEDANCE: 50
FREQUENCY RANGE: dc to 4.2 GHz.
CHARACTERISTIC INSERTION LOSS, INCREMENTAL
(Attenuation Ranges):
910-10: 0 to 10 dB (calibrated)
910-20: 0 to 20 dB (calibrated)
DIRECT READING DIAL CALIBRATION: 2.0 GHz
DIAL INCREMENTS: 1 dB
RESOLUTION OF DIAL: 910-10: ~135°
910-20 ~270°
CALIBRATION FREQUENCY/ACCURACY: 2.0 GHz (oth-
ers available upon request): +0.3 dB @ 23°C, includes
resetability. Calibration is performed on an incremental
basis above the residual insertion loss as standard.
Calibration of total insertion loss (terminal to terminal) can
be provided at additional cost.
CHARACTERISTIC INSERTION LOSS, RESIDUAL:
dc to 2 GHz:
0.7 dB (maximum).
2 to 4.2 GHz:
1.0 dB (maximum).
FREQUENCY SENSITIVITY:
+1.5 dB from calibration
frequency across full frequency range.
PHASE SHIFT WITH CHANGE IN ATTENUATION:
1° per dB x f(GHz) maximum
POWER RATING:
1 watt average to 25°C ambient
temperature, derated linearly to 0.5 watts @ 85°C. 500
watts peak (5
sec pulse width; 0.1% duty cycle)
POWER COEFFICIENT: < 0.005/dB/dB/watt
TEMPERATURE COEFFICIENT: < 0.001/dB/dB/°C
TEMPERATURE RANGE: -55°C to 85°C
CONNECTOR: SMA female or Type N female connector
per MIL-STD-348 interface dimensions - mate nondestruc-
tively with MIL-C-39012 connector.
Connector Options
Type/Description
11
SMA, Female
33
Type N, female
CONSTRUCTION: Aluminum body and stainless steel
connector; gold plated beryllium copper contacts. Knob is
included with each unit.
WEIGHT: Net, 310 g (11 oz)
Model
SWR
910-10
Input:
1.25 + 0.12 x f(GHz)
Output:
1.25 + 0.12 x f(GHz).
910-20
Input:
1.25 + 0.12 x f(GHz)
Output:
1.40 + 0.12 x f(GHz)
Maximum SWR (Input & Output):
MODEL NUMBER DESCRIPTION:
Example:
910 - XX -XX
Basic Model
Number
Attenuation
Value (dB)
Connector Options
-11 SMA, Female
-33 Type N, Female
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