Fixed Coaxial Attenuators
Model 3M
Model 4M
Fixed Coaxial Attenuators
Ruggedized SMA Connectors
POWER RATING:
2 watts
average
to 25°C ambient
temperature, derated linearly to 0.5 watts at 125°C.
500 watts
peak
(5
μsec
pulse width; 0.2% duty cycle).
dc to 12.4 GHz
dc to 18.0 GHz
2 Watts
www.argosysales.com
EXPRESS
800-542-4457
POWER COEFFICIENT:
< 0.005 dB/dB/watts
TEMPERATURE COEFFICIENT:
< 0.0004 dB/dB/°C
TEMPERATURE RANGE:
-55°C to +125°C
TEST DATA:
Insertion Loss and SWR Testing performed
across frequency range. Test data available at additional
cost.
CONNECTORS:
SMA connectors per MIL-STD-348 inter-
face dimensions - mate nondestructively with MIL-C-39012
connectors.
CONSTRUCTION:
Passivated stainless steel body and
connectors; gold plated beryllium copper contacts.
WEIGHT (Both Models):
dB VALUE
WEIGHT (Net)
10 g (0.35 oz)
20 g (0.70 oz)
1 - 10, 20
30, 40, 50, 60
Features
o
o
o
Rugged injection molded connectors.
Designed to meet environmental requirements of
MIL-A-3933.
Usable to 22 GHz.
Specifications
NOMINAL IMPEDANCE:
50
Ω
FREQUENCY RANGE:
Model 3M:
Model 4M:
dc to 12.4 GHz
dc to 18.0 GHz
MAXIMUM DEVIATION OVER FREQUENCY:
Nominal ATTN (dB)
1-2
3-6
7 - 10
20
30, 40
50, 60
-9.25
-9.50
3M
+
+
+
+
+
+
0.30
0.30
0.30
0.50
0.75
1.00
+
+
+
+
+
+
4M
0.50
0.30
0.50
0.70
1.00
2.00
PHYSICAL DIMENSIONS:
Specification Limit
-9.75
-10.00
-10.25
Specification Limit
-10.50
-10.75
0.05
2.50
5.00
7.50
10.00
12.50
15.00
17.50
dB VALUE
1 -10, 20
30, 40, 50, 60
NOTE:
DIM A + 0.5 (0.02)
30.5 (1.20)
47.0 (1.85)
Typical Attenuation Performance of 4M-10
MAXIMUM SWR:
All dimensions are given in mm (inches) and are
maximum, unless otherwise specified.
Frequency (GHz)
dc - 4
4-8
8 - 12.4
12.4 - 18
1.40
1.30
1.20
1.10
1.00
0.05
2.50
5.00
7.50
3M
1.15
1.20
1.25
---
4M
1.15
1.20
1.25
1.35
Example:
MODEL NUMBER DESCRIPTION:
*4M - XX
Basic
Model
Number
Attenuation
Value (dB)
Specification
10.00
12.50
15.00
17.50
*Add Prefix M for double male and F for double female connectors.
Typical SWR of a Model 4M-10
21
5305 Spectrum Drive, Frederick, MD 21703-7362 TEL: 301-846-9222, 800-638-2048 Fax: 301-846-9116
web: www.aeroflex-weinschel.com email: sales@aeroflex-weinschel.com
Revision Date: 3-1-07