Fixed Coaxial Attenuators Model 90 Medium Power, N & 3.5mm Connectors dc to 18.0 GHz 50 Watts Bi-directional Design RoHS TEMPERATURE RANGE: -55 °C to 125 °C TEST DATA: Swept data plots of attenuation and SWR from 50 MHz to 18 GHz. Frequency markers at 0.05, 2.0, 4.0, 8.0, 12.4, 18.0 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 Description Options Description 1 3.5mm Female 3 Type N, Female 2 3.5mm Male 4 Type N, Male Features o o o o Precision injection molded connectors. Designed to meet environmental requirements of MIL-DTL-3933. Flat Response. Low Intermodulation option available. CONSTRUCTION: Black, finned aluminum body, gold plated beryllium copper contacts. WEIGHT: 120 g (4.2 oz.) maximum PHYSICAL DIMENSIONS: Specifications NOMINAL IMPEDANCE: 50 Ω FREQUENCY RANGE: dc to 18.0 GHz MAXIMUM DEVIATION OVER FREQUENCY: Nominal ATTN (dB) 90 Deviation (dB) 90-LIM 3, 6 10, 20, 30 + 1.0 + 1.0 --+2.0 / -1.0 MAXIMUM SWR: Frequency (GHz) SWR dc - 8 8 - 12.4 12.4 - 18 1.15 1.20 1.30 Connector N Male N Female DIM A 24.1 (0.95) 19.0 (0.75) Connector 3.5mm Male 3.5mm Female DIM A 14.0 (0.55) 13.2 (0.52) NOTE: All dimensions are given in mm (inches) and are maximum, unless otherwise specified. 3rd ORDER INTERMODULATION (90-XX-XX-LIM ONLY): Reflected Levels (IM3), -100 dBc and 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 dB. POWER RATING (mounted horizontally): 50 watts average (bi-directional) to 25°C ambient temperature, derated linearly to 5 Watts @ 125°C. 1 kW peak (5 μsec pulse width; 2.5% duty cycle). POWER COEFFICIENT: <0.0003 dB/dB/watt MODEL NUMBER DESCRIPTION: Example: 90 - XX - XX* - LIM IM Option** 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. **Add -LIM to entire model number for Low Intermodulation option. Option only available in 10, 20, 30 dB. TEMPERATURE COEFFICIENT: <0.0004 dB/dB/°C 56 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: 1/24/2013