Fixed Coaxial Attenuators Model 32 High Reliability, SMA Connectors dc to 18.0 GHz 2 Watts RoHS Suitable for Space & Airborne Applications CONNECTORS: SMA connectors per MIL-STD-348 interface dimensions - mate nondestructively with MIL-C-39012 connectors. Features o o o Available in 0.5 dB increments from 0-20 dB. Precision injection molded connectors. Designed to meet environmental requirements of MIL-DTL-3933. 100% Subjected to Thermal Shock, Peak Power & Monitored Thermal Cycle (MTC). o CONSTRUCTION: Passivated stainless steel body and connectors; gold plated beryllium copper contacts. Each unit is sealed using low outgassing sealant. WEIGHT: dB VALUE WEIGHT (Net) 0 - 12 12.5 - 20 3.9 g (0.14 oz) 4.3 g (0.15 oz) PHYSICAL DIMENSIONS: Specifications NOMINAL IMPEDANCE: 50 Ω FREQUENCY RANGE: dc to 18.0 GHz MAXIMUM DEVIATION OVER FREQUENCY: Nominal ATTN (dB) Deviation (dB) 0 0.5 - 6 6.5 - 12 12.5 - 20 + + + + 0.30 0.30 0.50 0.70 dB VALUE DIM A + 0.5 (0.02) 0-12 12.5-20 21.8 (0.86) 23.9 (0.94) NOTE: All dimensions are given in mm (inches) and are maximum, unless otherwise specified. -9.25 Screening -9.50 Specification Limit -9.75 Units are screened 100% as follows: -10.00 -10.25 Thermal Shock: 10 cycles, -55°C to +100°C Specification Limit -10.50 -10.75 0.05 2.50 5.00 7.50 10.00 12.50 15.00 17.50 Typical Attenuation Accuracy of 32-10 Monitored Thermal Cycle: Units are subjected to 10 thermal cycles between -55 °C to +100 °C. The PIN-to-PIN DC resistance is continuously monitored and stored. MAXIMUM SWR: Frequency (GHz) SWR dc - 4 4-8 8 - 12.4 12.4 - 18 1.15 1.20 1.25 1.35 Attenuation and SWR are tested as final electrical test. MODEL NUMBER DESCRIPTION: Example: 32 - XX 1.40 1.30 Specification Basic Model Number 1.20 1.10 1.00 0.05 2.50 5.00 7.50 10.00 12.50 15.00 17.50 Typical SWR of a 32-10 POWER RATING: 2 watts average to 25°C ambient temperature, derated linearly to 0.5 watts at 125°C. 500 watts peak (5 μsec pulse width; 0.2% duty cycle). POWER COEFFICIENT: < 0.005 dB/dB/watts TEMPERATURE COEFFICIENT: < 0.0004 dB/dB/°C 42 Peak Power: 200 Watts, 5 μsec pulse width; 0.05% duty cycle for 3 minutes at each end. DC Attenuation is measured before and after peak power. TEMPERATURE RANGE: -55°C to +125°C Attenuation Value (dB) EXPORT CONTROL: This product is controlled for export under the International Traffic in Arms Regulations (ITAR). A license from the U.S. Department of State is required prior to the export of this product from the United States. EXPORT WARNING: Aeroflex’s military and space products are controlled for export under the International Traffic in Arms Regulations (ITAR) and may not be sold or proposed or offered for sale to certain countries. (See ITAR 126.1 for complete information.) 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: 9/27/2013