Model 290
High Power Attenuator – 250 Watts, DC - 18 GHz
Connectors - N or 3.5 mm
Features
•
Quality high temperature connectors
•
Designed to meet environmental requirements of
MIL-DTL-3933
•
Ideal for wideband test applications
•
RoHS Compliant
Technical Specifications
Nominal Impedance
Frequency Range
50 Ω
DC to 18.0 GHz
Mechanical Specifications
Construction
Aluminum alloy body, stainless steel
connectors & gold plated contacts.
ME
Maximum Deviation Over Frequency
Nominal ATTN (dB)
3,6,10,20,30,40
Deviation (dB)
-2.5/+4.0
Weight
1400 grams ( 50 oz.) maximum
Connectors
Options
1
2
Type
3.5 mm Female
3.5 mm Male
Description
WMOD 290• High Power Attenuator Datasheet
•
03-17
•
API Technologies Corp
• ©
Copyright 2016
Maximum SWR
Frequency (GHz)
DC - 18
SWR
1.60
Mates nondestructively
with SMA, SMK and 3.5 mm
connectors
Interface dimensions per
MIL-STD 348 & IEC 60169-16.
Mates non-destructively with
MIL-PRF-39012 connector.
3
4
Type N Female
Type N Male
Power Rating
-
-
-
250 W average at 25°C ambient.
Derated to 25 W average at 125° C
1 KW peak @ 5
μsec
pulse width & 1.25% duty cycle
< 0.00006 dB/dB/watt
< 0.0004 dB/dB/°C
-55°C to 125°C
Swept data plots of attenuation and SWR from 50 MHz to 18 GHz
are available upon request.
Model Number Description
Power Coefficient
Temperature Coefficient
Temperature Range
290 – XX – XX
Basic
Model #
Attenuation
Value (dB)
Connector Options
1st digit is input side
2nd digit is output side
Rev Date: 3/31/2017
© API Weinschel, Inc. Proprietary Information
|
www.apitech.com | weinschel.apitech.com | 301-846-9222, 800-638-2048
Page #
1
| weinschel-sales@apitech.com
Model 290
Typical 290-40-34 Attenuation & SWR
-30
-34
-38
-42
Output SWR
0
2
4
6
8
10
12
14
16
18
-46
-50
Frequency (GHz)
Input SWR
1.8
1.6
1.4
1.2
1.0
1.8
1.6
1.4
1.2
1.0
0
2
4
6
8
10
12
14
16
18
Frequency (GHz)
Physical Dimensions
S21 (dB)
Attenuator Dimensions
Connector Option
3.5 Male
3.5 Female
N Male
N Female
Dim A mm (in)
13.2 (0.52)
14.0 (0.55)
24.1 (0.95)
19.0 (0.75)
Attenuation (dB)
3
6,10
20,30,40
Dim B mm (in)
218 (8.6)
332 (13.1)
390 (15.4)
NOTE: All dimensions are given in mm (inches) and are maximum, unless otherwise specified.
Rev Date: 3/31/2017
© API Weinschel, Inc. Proprietary Information
|
www.apitech.com | weinschel.apitech.com | 301-846-9222, 800-638-2048
Page # 2
| weinschel-sales@apitech.com
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