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