Fixed Coaxial Attenuators Model 72 Medium Power, N or SMK Connectors dc to 4.0 GHz 50 Watts Conduction Cooled, Bi-Directional Design! RoHS TEMPERATURE RANGE: -55°C to 100°C (case) EXPRESS www.argosysales.com 800-542-4457 Features 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. o o TEST DATA: Swept data plots of attenuation and SWR from 50 MHz to 4 GHz is available at additional cost. 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 Specifications PHYSICAL DIMENSIONS: NOMINAL IMPEDANCE: 50 Ω FREQUENCY RANGE: dc to 4.0 GHz MAXIMUM DEVIATION OVER FREQUENCY: Nominal ATTN (dB) Deviation (dB) 3, 6, 10, 20, 30, 40 + 0.70 -9.00 Specification Limit -9.50 -10.00 -10.50 Specification Limit -11.00 0.05 0.55 1.05 1.55 2.05 2.55 3.05 3.55 Typical Attenuation Accuracy of a 72-10-34 MAXIMUM SWR: Frequency (GHz) SWR dc - 4 1.20 Connector N Male N Female DIM A 22.9 (0.90) 15.0 (0.59) Connector 2.92mm Male 2.92mm Female DIM A 14.0 (0.55) 12.7 (0.50) 1.30 Specification NOTE: All dimensions are given in mm (inches) and are maximum, unless otherwise specified. 1.20 1.10 MODEL NUMBER DESCRIPTION: 1.00 0.05 0.55 1.05 1.55 2.05 2.55 3.05 3.55 Example: Typical SWR of a 72-10-34 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 72 - XX - XX* 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. TEMPERATURE COEFFICIENT: <0.0004 dB/dB/°C 74 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: 3/6/2013