940-114-12 [APITECH]
Variable Attenuator, 0MHz Min, 2000MHz Max, ROHS COMPLIANT PACKAGE;
| 型号： | 940-114-12 |
| 厂家： | 
API Technologies Corp |
| 描述： | Variable Attenuator, 0MHz Min, 2000MHz Max, ROHS COMPLIANT PACKAGE |
| 文件： | 总2页 (文件大小：140K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Variable Attenuators
Model 940-60
Model 940-114
dc to 4.0 GHz
dc to 2.0 GHz
Precision Continuously Variable Attenuators
5 Watts
RoHS
ꢀ
Choice of SMA or Type N Connectors
DIRECT READING DIAL ACCURACY:
Model
ACCURACY*
940-60-XX
+ 0.25 dB or 0.4% @ 2 GHz
+ 0.25 dB or 0.4% @ 1 GHz
EXPRESS
www.argosysales.com
800-542-4457
940-114-XX
940-60-XX-1
940-114-XX-1
+ 0.5 dB or 1% @ 2 GHz
+ 0.5 dB or 1% @ 1 GHz
*Whichever is greater.
CHARACTERISTIC INSERTION LOSS, RESIDUAL:
6 dB nominal
DIAL CALIBRATION (in 1 dB increments):
Model 940-60:
Model 940-114: 6 to 120 dB
DIAL INCREMENTS: 1 dB
RESOLUTION OF SCALE:
6 to 66 dB
Features
o
Wide Variable Attenuation Range - Variable attenua-
tion range of 60 dB for Model 940-60 and 114 dB for
Model 940-114, with minimum insertion loss at 6 dB.
Model 940-60:
~ 115°
o
Approximately Linear Calibrated Dial - Direct reading
dial individually calibrated in approximately linear 1 dB
increments from 6 dB to full scale.
Model 940-114: ~ 270°
CYCLE LIFE: A cycle consists of a rotation from minimum
to maximum and back to minimum
o
o
Rugged - Designed to meet the environmental require-
Model 940-XX-XX :
Model 940-XX-XX-1:
10,000
50,000
ments of MIL-A-24215.
Long Life - These variable attenuators offer a cycle life
of up to 10,000 cycles. Optional models are also avail-
able to extend the life to 50,000 cycles.
PHASE SHIFT WITH CHANGE IN ATTENUATION:
1° per dB x f(GHz) maximum
POWER RATING: 5 watts average to 40°C ambient tem-
perature, derated linearly to 0 watts @ 85°C. 500 watts
peak (5 μsec pulse width; 0.5% duty cycle).
POWER COEFFICIENT: < 0.005 dB/dB/watt
TEMPERATURE COEFFICIENT: <0.001 dB/dB/°C
TEMPERATURE RANGE:
o
Available Express Models:
940-60-11
940-60-33
940-60-33-1
Other models may be available for Express delivery.
Specifications
NOMINAL IMPEDANCE: 50 Ω
FREQUENCY RANGE: Model 940-60:
Operating:
Nonoperating:
0°C to +85°C
-55°C to +125°C.
dc to 4.0 GHz
Model 940-114: dc to 2.0 GHz
FREQUENCY SENSITIVITY:
INCREMENTAL ATTENUATION RANGE:
Model 940-60: 60 dB
Model 940-114: 114 dB
Model 940-60:
0.05 x A x (F - Fd) dB
Model 940-114: 0.1 x A x (F - Fd) dB
A = Attenuation setting in dB, Fd = Dial cut frequency in
GHz, F= Operation frequency in GHz
TEST DATA: Test frequency for Model 940-60 is 2 GHz and
1 GHz for 940-114. Test data is available at additional cost.
MAXIMUM SWR:
Frequency Range (GHz)
SWR
dc - 1
1 - 2
2 - 3
3 - 4
1.50
1.60
1.70
1.80
136
5305 Spectrum Drive, Frederick, MD 21703-7362 s TEL: 301-846-9222, 800-638-2048 s Fax: 301-846-9116
web: www.aeroflex.com/weinschel s email: weinschel-sales@aeroflex.com
Revision Date: 9/30/2012
Variable Attenuators
Specifications-Con’t
CONNECTOR: SMA or Type N connector per MIL-STD-
348 interface dimensions - mate nondestructively with
MIL-C-39012 connector.
MODEL NUMBER DESCRIPTION:
Example:
Connector Options
INPUT (J1)
OUTPUT (J2)
940 - XX - XX - *
11
12
22
33
34
SMA, Female SMA, Female
SMA, Female SMA, Male
Connector Options
Attenuation
Value (dB)
Basic Model
Number
SMA, Male
N, Female
N, Female
SMA, Male
N, Female
N, Male
* Add -1 for long life version.
44
N, Male
N, Male
CONSTRUCTION: Aluminum body and stainless steel
connector; gold plated beryllium copper contacts. Knob is
included with each unit.
ACCESSORIES
ATTENUATOR STAND, MODEL 940 Z: This stand allows a
user to easily mount any Model 940 for those bench
applications.
WEIGHT: Net 1,570 g (3 lbs, 8 oz)
PHYSICAL DIMENSIONS:
Model No.
940-XX-11
940-XX-12
940-XX-22
940-XX-33
940-XX-34
940-XX-44
DIM A
DIM B
NOTE:
52.3 (2.06)
55.6 (2.19)
55.6 (2.19)
61.0 (2.40)
66.0 (2.60)
66.0 (2.60)
58.2 (2.29)
58.2 (2.29)
61.5 (2.42)
68.1 (2.68)
68.1 (2.68)
71.9 (2.83)
1. All dimensions are given in mm (inches) and are maximum, unless
otherwise specified.
2. Unit available with RoHS compliant materials, specify when ordering.
137
5305 Spectrum Drive, Frederick, MD 21703-7362 s TEL: 301-846-9222, 800-638-2048 s Fax: 301-846-9116
web: www.aeroflex.com/weinschel s email: weinschel-sales@aeroflex.com
Revision Date: 9/30/2012
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