Fixed Coaxial Attenuators Model 33 Medium Power Fixed Coaxial Attenuator dc to 8.5 GHz 25 Watts RoHS Bi-directional Design! POWER RATING (mounted horizontally): 25 watts average (bi-directional) to 25C ambient temperature, derated linearly to 2.5 watts @ 125C. Note: 3 dB model can handle 50 Watts average (bi-directional). 5 kilowatt peak (5 sec pulse width; 0.25% duty cycle). EXPRESS www.argosysales.com 800-542-4457 POWER COEFFICIENT: <0.0006 dB/dB/watt Features TEMPERATURE COEFFICIENT: <0.0004 dB/dB/C o TEMPERATURE RANGE: -55 C to 125 C Quality Connectors with special high temperature support beads. Designed to meet environmental requirements of MIL-DTL-3933. Low Intermodulation option available. Mode free operation to 10 GHz. o o o Specifications dc to 8.5 GHz dc-4 GHz 33 33-LIM + 0.30 + 0.30 + 0.60 3, 6 10, 20 30 --+ 0.40 + 0.70 Description 2.92mm Female 2.92mm Male Options 3 4 Description Type N, Female Type N, Male CONSTRUCTION: Black, finned aluminum body, gold plated beryllium copper contacts. MAXIMUM DEVIATION OVER FREQUENCY (dB): Nominal ATTN (dB) CONNECTORS: Type N & 2.92mm connectors per MILSTD-348 interface dimensions - mate nondestructively with MIL-C-39012 connectors. Options 1 2 NOMINAL IMPEDANCE: 50 FREQUENCY RANGE: TEST DATA: Insertion loss test data supplied at 0.05, 4.0, and 8.5 GHz. Other test data can be provided at additional cost. 4 - 8.5 GHz 33 33-LIM + 0.60 + 0.60 + 1.00 WEIGHT: 170 g (6 oz.) maximum PHYSICAL DIMENSIONS: --+ 0.70 + 1.20 -9.25 Specification Limit -9.50 -9.75 -10.00 -10.25 -10.50 Specification Limit -10.75 0.05 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 Typical Attenuation Accuracy of a 33-10-34 Connector N Male N Female MAXIMUM SWR: Frequency (GHz) SWR dc - 4 4 - 8.5 1.20 1.30 DIM A 22.9 (0.90) 15.0 (0.59) DIM A 14.0 (0.55) NOTE: 1. All dimensions are given in mm (inches) and are maximum, unless otherwise specified. 1.40 2. Unit available with RoHS compliant materials, specify when ordering. 1.30 MODEL NUMBER DESCRIPTION: Specification 1.20 Example: 1.10 33 - XX - XX* - LIM 1.00 0.05 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 IM Option** Typical SWR of a 33-10-34 3rd ORDER INTERMODULATION (33-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 +41 dBm each. IM specification at J2 limited to 10 Watts of input power. 41 Connector 2.92mm Female 2.92mm 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. **Add -LIM to entire model number for Low Intermodulation option. Available in only 10, 20, 30 dB and is not available through Express. 5305 Spectrum Drive, Frederick, MD 21703-7362 TEL: 301-846-9222, 800-638-2048 Fax: 301-846-9116 web: www.aeroflex.com/weinschel email: weinschel-sales@aeroflex.com Revision Date: 1/28/09 41