Weinschel
C O R P O R A T I O N
Model 24
Medium Power Fixed Coaxial Attenuators
Bi-Directional Design!
dc to 8.5 GHz
50 Watts
POWER RATING (mounted horizontally):
50 watts
average (bi-directional)
to 25°C ambient temperature,
derated linearly to 2.5 watts @ 125°C. Note: 3 dB model
can handle 100 Watts
average (bi-directional).
5 kilowatt
peak
(5
µsec
pulse width; 0.5% duty cycle).
Features
o
o
o
Designed to meet environmental requirements of
MIL-A-3933.
Low Intermodulation option available.
Mode free operation to 10 GHz.
POWER COEFFICIENT:
<0.001 dB/dB/watt
TEMPERATURE COEFFICIENT:
<0.0004 dB/dB/°C
TEMPERATURE RANGE:
-55°C to 125°C (+85°C with
GPC-7 connectors)
CALIBRATION:
Insertion loss test data supplied at 0.05,
4.0, and 8.5 GHz. Other test data can be provided at
additional cost.
CONNECTORS:
Type N and TNC connectors per MIL-
STD-348 interface dimensions - mate nondestructively with
MIL-C-39012 connectors. 2.92mm connectors - mate non-
destructively with SMA per MIL-C-39012, 3.5mm, K®, and
other 2.92mm. GPC-7 connectors per IEEE-STD-287.
K® is a registered Trademark of Anritsu Wiltron 2.92mm connector.
Specifications
NOMINAL IMPEDANCE:
50
Ω
FREQUENCY RANGE:
dc to 8.5 GHz
MAXIMUM DEVIATION OVER FREQUENCY (dB):
Nominal
ATTN (dB)
3, 6
10, 20
30, 40
-9.00
-9.25
-9.50
-9.75
-10.00
-10.25
-10.50
-10.75
-11.00
0.05
1.00
2.00
3.00
4.00
5.00
dc-4 GHz
24
24-LIM
+ 0.40
+ 0.40
+ 0.60
---
+ 0.50
+ 0.70
4 - 8.5 GHz
24
24-LIM
+ 0.75
+ 0.75
+ 1.00
---
+ 1.00
+ 1.25
Options
1
2
3
4
Description
SMA, Female
SMA, Male
Type N, Female
Type N, Male
Options
5
6
7
Description
GPC7
TNC Female
TNC Male
Specification Limit
CONSTRUCTION:
Black, finned aluminum body, gold
plated beryllium copper contacts.
WEIGHT:
280 g (10 oz.) maximum
PHYSICAL DIMENSIONS:
Specification Limit
6.00
7.00
8.00
Typical Attenuation Accuracy of a 24-10-34
MAXIMUM SWR:
Frequency (GHz)
dc - 4
4 - 8.5
SWR
1.20
1.30
Connector
N Male
N Female
2.92mm Female
2.92mm Male
NOTE:
DIM A
22.9 (0.90)
15.0 (0.59)
14.0 (0.55)
12.7 (0.50)
Connector
GPC7
TNC Female
TNC Male
DIM A
21.0 (0.83)
38.1 (1.50)
35.1 (1.38)
1.40
1.30
Specification
1.20
1.10
1.00
0.05
1.00
2.00
3.00
4.00
5.00
6.00
7.00
8.00
All dimensions are given in mm (inches) and are
maximum, unless otherwise specified.
MODEL NUMBER DESCRIPTION:
Example:
Typical SWR of a 24-10-34
3rd ORDER INTERMODULATION (24-XX-XX-LIM only!):
Reflected Levels (IM3), -100 & Through Levels (IM3), -110
dBc with two input signals @ 869 MHz and 891 MHz with
average carrier power levels of +43 dBm each. Option only
available 10, 20, 30, 40 dB with Type N Connectors. IM
specification at J2 limited to 20 Watts of input power.
48
12/30/00
24 - XX - XX* - LIM
1st digit is J1 side
2nd digit is J2 side
*Unit is bi-directional & full power may be applied to either J1 or J2.
**Add -LIM to entire model number for Low Intermodulation option. Option
only available in 10, 20, 30, 40 dB with Type N connectors and is not
available through Express.
Basic Model
Number
Attenuation
Value (dB)
IM Option**
Connector Options
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
Test/Measurement
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