Fixed Coaxial Attenuators Model 90 Medium Power Fixed Coaxial Attenuator dc to 18.0 GHz 50 Watts RoHS 3.5mm & N Connectors TEST DATA SUPPLIED: Sweep SWR/Attenuation data/ plots performed across 50 MHz to 18 GHz frequency range. Frequency Markers 0.05, 2.0, 4.0 8.0, 12.4, 18 GHz. CONNECTORS: Type N connectors per MIL-STD-348 interface dimensions - mate nondestructively with MIL-C39012 connectors. 3.5mm Connectors - mate nondestructively with SMA per MIL-C-39012, 2.92mm and 3.5mm connectors. Options 1 2 Description 3.5mm Female 3.5mm Male Options 3 4 Description Type N, Female Type N, Male Features CONSTRUCTION: Black, finned aluminum body, gold plated beryllium copper contacts. o o WEIGHT: 120 g (4.2 oz.) maximum o Precision injection molded connector dielectric. Designed to meet environmental requirements of MIL-DTL-3933. Flat Response. PHYSICAL DIMENSIONS: Specifications NOMINAL IMPEDANCE: 50 FREQUENCY RANGE: dc to 18.0 GHz MAXIMUM DEVIATION OVER FREQUENCY: Nominal ATTN (dB) Deviation (dB) + 0.50 + 0.75 + 1.00 3, 6 10, 20 30 MAXIMUM SWR: Frequency (GHz) SWR dc - 8 8 - 12.4 12.4 - 18 1.15 1.20 1.30 POWER RATING (mounted horizontally): 50 watts average (bi-directional) to 25C ambient temperature, derated linearly to 10 Watts @ 125C. 1 kW peak (5 sec pulse width; 2.5% duty cycle). Connector N Male N Female DIM A 24.1 (0.95) 19.0 (0.75) DIM A 14.0 (0.55) 13.2 (0.52) NOTE: 1. All dimensions are given in mm (inches) and are maximum, unless otherwise specified. 2. Unit available with RoHS compliant materials, specify when ordering. MODEL NUMBER DESCRIPTION: Example: POWER COEFFICIENT: <0.0006 dB/dB/watt 90 - XX - XX TEMPERATURE COEFFICIENT: <0.0004 dB/dB/C TEMPERATURE RANGE: -55 C to 125 C Connector 3.5mm Female 3.5mm Male 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. 46 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: 2/24/11