Fixed Coaxial Attenuators High Reliability Attenuators dc to 18.0 GHz 2 to 25 Watts Designed to meet requirements of MIL-DTL-3933, CLASS III/IV, N/S Basic Model Information... Description Part Number Outline Drawing/ Dimensions 272N-XX (Non-screened) 272S-XX (Screened) (Available in 1- 10, 20 , 30 & 40 dB) dc to 18 GHz 5 watts Average; 1 kW peak Refer to Aeroflex / Weinschel Standard Model 272 (page 41a) for specifications. 273N-XX (Non-screened) 273S-XX (Screened) (Available in 0 - 10 in 0.5 dB steps, 11- 20 in 1 dB steps & 25 - 40 in 5 dB steps) dc to 18 GHz 2 watts Average; 500 W peak Refer to Aeroflex / Weinschel Standard Model 273 (page 41b) for specifications. 274N-XX (Non-screened) 274S-XX (Screened) (Available in 0 - 20 in 0.5 dB steps, 30, & 40 dB) dc to 18 GHz 2 watts Average; 500 W peak Refer to Aeroflex / Weinschel Standard Model 274 (page 41c) for specifications. 276N-XX (Non-screened) 276S-XX (Screened) (Available in 3, 6, 10, 20, 30 dB) dc to 18 GHz 25 Watts Average; 2 kW peak Refer to Aeroflex / Weinschel Standard Model 276 (page 41d) for specifications. Features Screening o Screened and Non-screened models available. Units are screened as follows: o Choice of attenuation values from 0 to 40 dB. o Frequency Ranges from dc to 18 GHz. o Power capability from 2 to 25 watts. o Test Data supplied at additional cost as follows: Non-screened (N): Swept data plots of Attenuation and SWR across the frequency band. Screened (S): Swept data plots of Attenuation and SWR across the frequency band. Film, Standard data package includes lot record performace showing pass/fail quantities for all tests and test reports as applicable. o "N" versions: SWR Attenuation Peak Power "S" versions: Thermal Shock Monitored Thermal Cycle (MTC) Attenuation w/Parts Assembly Verification (PAV) Conditioning Peak Power Attenuation SWR Radiographics Type N and SMA Connectors. MODEL NUMBER DESCRIPTION: Example: 272N - XX Attenuation Value (dB) Basic Model Number N = Non-screened S = Screened 41 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: 10/4/2013 Fixed Coaxial Attenuators Model 272 High Reliability, N Connectors dc to 18.0 GHz 2 Watts Designed to meet requirements of MIL-DTL-3933, CLASS III/IV, N/S CONNECTORS: Precision Type N connectors per MILSTD-348 interface dimensions - mate nondestructively with MIL-C-39012 connectors. CONSTRUCTION: Stainless steel body and connectors; gold plated beryllium copper contacts. WEIGHT: Features o Rugged injection molded connectors. o Screened (Model 272S) and Non-screened (Model 272N) designs available. o Available in 1- 10, 20, 30 & 40 dB. o Test Data supplied at additional cost as follows: dB VALUE WEIGHT (Net) 1 - 10, 20, 30 40 70 g (2.6 oz) 100 g (3.6 oz) PHYSICAL DIMENSIONS:. Non-screened (N): Swept data plots of Attenuation and SWR across the frequency band. Screened (S): Swept data plots of Attenuation and SWR across the frequency band. Film, Standard data package includes lot record performace showing pass/fail quantities for all tests and test reports as applicable. Specifications Screening dc to 18.0 GHz Units are screened as follows: MAXIMUM DEVIATION OVER FREQUENCY: Nominal ATTN (dB) 1 - 6.5 7 - 8.5 9 - 14 15 - 20 21 - 40 DIM A 57.9 (2.28) 68.1 (2.68) NOTE: All dimensions are given in mm (inches) and are maximum, unless otherwise specified. NOMINAL IMPEDANCE: 50 Ω FREQUENCY RANGE: dB VALUE 1-10, 20, 30 40 dB + + + + + 0.30 0.40 0.50 0.60 1.00 MAXIMUM SWR: Frequency (GHz) SWR dc - 4 4-8 8 - 12.4 12.4 - 18 1.12 1.15 1.18 1.20 "N" versions: SWR Attenuation Peak Power "S" versions: Thermal Shock Monitored Thermal Cycle (MTC) Attenuation Conditioning Peak Power Attenuation SWR Radiographics MODEL NUMBER DESCRIPTION: POWER RATING: 5 watts average @ 25°C ambient temperature, derated linearly to 0.5 watt @ 125°C. 1 kilowatt peak (5 μsec pulse width; 0.25% duty cycle) Example: 272N - XX Attenuation Value (dB) POWER COEFFICIENT: <0.005 dB/dB/Watt TEMPERATURE COEFFICIENT: < 0.0004 dB/dB/°C TEMPERATURE RANGE: -55°C to +125°C 41a Basic Model Number N = Non-screened S = Screened 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: 10/4/2013 Fixed Coaxial Attenuators Model 273 High Reliability, SMA Connectors dc to 18.0 GHz 2 Watts Designed to meet requirements of MIL-DTL-3933, CLASS III/IV, N/S CONNECTORS: SMA connectors per MIL-STD-348 interface dimensions - mate nondestructively with MIL-C-39012 connectors. CONSTRUCTION: Passivated stainless steel body and connectors; gold plated beryllium copper contacts. WEIGHT: Features o Rugged injection molded connectors. o Screened (Model 273S) and Non-screened (Model 273N) designs available. o Available in 0-10 in 0.5 dB steps, 11- 20 in 1 dB steps & 25 - 40 in 5 dB steps. o Test Data supplied at additional cost as follows: dB VALUE WEIGHT (Net) 1 - 12 13 - 20 25 - 30 35 - 40 3.9 g (0.14 oz) 4.3 g (0.15 oz) 6.5 g (0.23 oz) 12.8 g (0.45 oz) PHYSICAL DIMENSIONS: Non-screened (N): Swept data plots of Attenuation and SWR across the frequency band. Screened (S): Swept data plots of Attenuation and SWR across the frequency band. Film, Standard data package includes lot record performace showing pass/fail quantities for all tests and test reports as applicable. dB VALUE 0 - 12 13 - 20 25 - 30 35 - 40 Specifications NOMINAL IMPEDANCE: 50 Ω FREQUENCY RANGE: dc to 18.0 GHz 21.8 23.9 26.5 34.3 (0.86) (0.94) (1.04) (1.35) NOTE: All dimensions are given in mm (inches) and are maximum, unless otherwise specified. MAXIMUM DEVIATION OVER FREQUENCY: Nominal ATTN (dB) 0 - 6.5 7 - 8.5 9 - 14 15 - 20 25 - 40 DIM A + 0.5 (0.02) dB + + + + + 0.30 0.40 0.50 0.60 1.00 MAXIMUM SWR: Frequency (GHz) SWR dc - 2 2-4 4-8 8 - 12.4 12.4 - 18 1.10 1.15 1.20 1.25 1.35 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). Screening Units are screened as follows: "N" versions: SWR Attenuation Peak Power "S" versions: Thermal Shock Monitored Thermal Cycle (MTC) Attenuation w/Parts Assembly Verification (PAV) Conditioning Peak Power Attenuation SWR Radiographics MODEL NUMBER DESCRIPTION: Example: 273N - XX POWER COEFFICIENT: < 0.005 dB/dB/watts Attenuation Value (dB) TEMPERATURE COEFFICIENT: < 0.0004 dB/dB/°C TEMPERATURE RANGE: -55°C to +125°C Basic Model Number N = Non-screened S = Screened 41b 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: 10/4/2013 Fixed Coaxial Attenuators Model 274 High Reliability, SMA Connectors dc to 18.0 GHz 2 Watts Designed to meet requirements of MIL-DTL-3933, CLASS III/IV, N/S CONNECTORS: SMA connectors per MIL-STD-348 interface dimensions - mate nondestructively with MIL-C-39012 connectors. CONSTRUCTION: Passivated stainless steel body and connectors; gold plated beryllium copper contacts. WEIGHT: Features o Rugged injection molded connectors. o Screened (Model 274S) and Non-screened (Model 274N) designs available. o Available in 0 - 20 in 0.5 dB steps, 30 & 40 dB. o Test Data supplied at additional cost as follows: dB VALUE WEIGHT (Net) 1 - 20 30, 40 10 g (0.35 oz) 20 g (0.70 oz) PHYSICAL DIMENSIONS: Non-screened (N): Swept data plots of Attenuation and SWR across the frequency band. Screened (S): Swept data plots of Attenuation and SWR across the frequency band. Film, Standard data package includes lot record performace showing pass/fail quantities for all tests and test reports as applicable. dB VALUE 1 -10, 20 30, 40 Specifications NOMINAL IMPEDANCE: 50 Ω FREQUENCY RANGE: dc to 18.0 GHz NOTE: All dimensions are given in mm (inches) and are maximum, unless otherwise specified. MAXIMUM DEVIATION OVER FREQUENCY: Nominal ATTN (dB) 0-2 3 -6 7 - 12 20 30, 40 DIM A + 0.5 (0.02) STD Prefix F Prefix M 30.5 (1.20) 29.7 (1.17) 32.3 (1.27) 47.0 (1.85) 46.2 (1.82) 47.7 (1.88) dB + + + + + 0.50 0.30 0.50 0.70 1.00 MAXIMUM SWR: Frequency (GHz) SWR dc - 4 4-8 8 - 12.4 12.4 - 18 1.15 1.20 1.25 1.35 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). Screening Units are screened as follows: "N" versions: SWR Attenuation Peak Power "S" versions: Thermal Shock Monitored Thermal Cycle (MTC) Attenuation w/Parts Assembly Verification (PAV) Conditioning Peak Power Attenuation SWR Radiographics MODEL NUMBER DESCRIPTION: Example: 274N - XX POWER COEFFICIENT: < 0.005 dB/dB/watts TEMPERATURE COEFFICIENT: < 0.0004 dB/dB/°C TEMPERATURE RANGE: -55°C to +125°C 41c Basic Model Number Attenuation Value (dB) N = Non-screened S = Screened 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: 10/4/2013 Fixed Coaxial Attenuators Model 276 High Reliability, N Connectors dc to 18.0 GHz 25 Watts Designed to meet requirements of MIL-DTL-3933, CLASS III/IV, N/S CONNECTORS: Type N connectors per MIL-STD-348 interface dimensions - mate nondestructively with MIL-C39012 connectors. Description Options 3 Type N Female 4 Type N Male Features CONSTRUCTION: Black, finned aluminum body, stainless steel connectors with gold plated beryllium copper contacts. o Rugged injection molded connectors. WEIGHT: 110 g (4 oz.) maximum o Screened (Model 276S) and Non-screened (Model 276N) designs available. PHYSICAL DIMENSIONS: o Available in 3, 6, 10, 20 & 30 dB. o Test Data supplied at additional cost as follows: 44.4 [1.75] 22.9 [.90] 15.0 [.59] Non-screened (N): Swept data plots of Attenuation and SWR across the frequency band. 38.8 [1.53] Screened (S): Swept data plots of Attenuation and SWR across the frequency band. Film, Standard data package includes lot record performace showing pass/fail quantities for all tests and test reports as applicable. Connector N Male N Female Specifications NOMINAL IMPEDANCE: 50 Ω FREQUENCY RANGE: NOTE: All dimensions are given in mm (inches) and are maximum, unless otherwise specified. dc to 18.0 GHz Screening MAXIMUM DEVIATION OVER FREQUENCY: Nominal ATTN (dB) 3, 6 10, 20 30 dB + 0.30 + 0.50 + 1.00 MAXIMUM SWR: Frequency (GHz) SWR dc - 4 4-8 8 -12 12 - 18 1.15 1.20 1.25 1.40 POWER RATING (mounted horizontally): 25 watts average (bi-directional) to 25°C ambient temperature, derated linearly to 2.5 watts @ 125°C. 3, 6 dB: 1 kilowatt peak (5 μsec pulse width; 0.05% duty cycle), 10, 20 30 dB: 2 kilowatt peak (5 μsec pulse width; 0.05% duty cycle). POWER COEFFICIENT: <0.0006 dB/dB/watt TEMPERATURE COEFFICIENT: <0.0004 dB/dB/°C TEMPERATURE RANGE: -55°C to 125°C 41d DIM A 24.1 (0.95) 19.0 (0.75) Units are screened as follows: "N" versions: SWR Attenuation Peak Power "S" versions: Thermal Shock Monitored Thermal Cycle (MTC) Attenuation Conditioning Peak Power Attenuation SWR Radiographics MODEL NUMBER DESCRIPTION: Example: 276N - XX Basic Model Number Attenuation Value (dB) N = Non-screened S = Screened 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: 10/4/2013