Model 79 High Power Fixed Coaxial Attenuators dc to 5.0 GHz 150 Watts 7/16 Connectors! POWER RATING (mounted horizontally): 150 watts average (unidirectional) to 25C ambient temperature, derated linearly to 15 watts @ 125C. Note: 3 dB model can handle 300 Watts average derated linearly to 30 watts @ 125C. 10 kilowatt peak (5 sec pulse width; 0.75% duty cycle). Maximum power rating into output port is 20 watts average. Features o o o Optimized for Wireless OEM & Test Applications. Low Intermodulation Design. Designed to meet environmental requirements of MIL-A-3933. Specifications NOMINAL IMPEDANCE: 50 TEMPERATURE RANGE: -55C to 125C CALIBRATION: Insertion loss test data supplied at 0.05, 1.0, 2.0, 3.0, 4.0 and 5.0 GHz. Other test data can be provided at additional cost. Type/Description Connector Options MAXIMUM DEVIATION OVER FREQUENCY: 10, 20 30 TEMPERATURE COEFFICIENT: <0.0004 dB/dB/C CONNECTORS: 7/16 connector that conforms to DIN 47223, IEC 169-4, VG 95250, CECC 22 190. FREQUENCY RANGE: dc to 5.0 GHz Nominal ATTN (dB) POWER COEFFICIENT: <0.0001 dB/dB/watt 1 2 Deviation (dB) + 0.90 + 1.25 7/16 Female 7/16 Male CONSTRUCTION: Black, finned aluminum body, silver plated brass connectors. WEIGHT: 1,248 g (2.75 lbs.) maximum MAXIMUM SWR: Frequency (GHz) SWR dc - 3 3-5 1.20 1.35 MODEL NUMBER DESCRIPTION: Example: 79 - XX - XX 3rd ORDER INTERMODULATION: 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. Basic Model Number Attenuation Value (dB) Connector Options 1st digit is input side 2nd digit is output side PHYSICAL DIMENSIONS: Connector 7/16 Male 7/16 Female 60 NOTE: 10/23/01 DIM A +0.8 (0.3) 32.3 (1.27) 30.7 (1.21) All dimensions are given in mm (inches) and are maximum, unless otherwise specified. 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