Model 284, Medium Power Fixed Coaxial Attenuator, dc

Fixed Coaxial Attenuators
Model 284
Medium Power, N or SMK Connectors
dc to 10.0 GHz
50 Watts
Conduction Cooled, Bi-Directional Design!
Features
o
o
o
o
Compact Construction - Lowest size/power ratio.
Precision Connectors with high temperature
support beads.
Designed to meet environmental requirements of
MIL-DTL-3933.
Wireless Applications - Optimized for use in the
communications bands.
RoHS
CONNECTORS: Type N connectors per MIL-STD-348
interface dimensions - mate nondestructively with MIL-C39012 connectors. SMK (2.92mm) connectors - mate
nondestructively with SMA per MIL-C-39012, 3.5mm, SMK,
and other 2.92mm connectors.
Options
Description
Options Description
1
SMK Female
3
Type N Female
2
SMK Male
4
Type N Male
CONSTRUCTION:
Aluminum body, stainless steel
connectors; gold plated beryllium copper contacts.
WEIGHT: 170 g (6 oz.) maximum
PHYSICAL DIMENSIONS:
Specifications
NOMINAL IMPEDANCE:
50 Ω
FREQUENCY RANGE:
dc to 10.0 GHz
MAXIMUM DEVIATION OVER FREQUENCY (dB):
Nominal ATTN (dB)
DC-4 GHz
4-10 GHz
3, 6, 10, 20
+ 0.40
+ 0.75
30, 40
+ 0.60
+ 1.00
MAXIMUM SWR:
Frequency (GHz)
SWR
dc - 4
1.15
4 - 10
1.30
POWER RATING 50 watts average (bi-directional),
5 kilowatts peak (5 μsec pulse width; 0.5 % duty cycle) with
case temperature held within 100°C maximum with appropriate conductive heat sink.
POWER COEFFICIENT: <0.0003 dB/dB/watt
TEMPERATURE COEFFICIENT: <0.0004 dB/dB/°C
Connector
N Male
N Female
Connector
2.92mm Male
2.92mm Female
DIM A
14.0 (0.55)
12.7 (0.50)
NOTE: All dimensions are given in mm (inches) and are maximum,
unless otherwise specified.
MODEL NUMBER DESCRIPTION:
Example:
284 - XX - XX*
TEMPERATURE RANGE: -55°C to 100°C (case)
TEST DATA: Swept data plots of attenuation and SWR
from 50 MHz to 10 GHz.
DIM A
22.9 (0.90)
15.0 (0.59)
Basic
Model
Number
Attenuation
Value (dB)
Connector Options
1st digit is J1 side
2nd digit is J2 side
*Unit is bi-directional & full power may be applied to either J1 or J2.
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: [email protected]
Revision Date: 2/19/2013