• Country
• United States of America (USA)

• Manufacturer / Brand
• Hewlett-Packard, (HP); Palo Alto, CA

• Year
• 1970 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 304434

Click on the schematic thumbnail to request the schematic as a free document.

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: RF Coaxial Attenuator HP 8494/95A - Hewlett-Packard, HP; Palo Alto

• Dimensions (WHD)
• 157 x 63 x 130 mm / 6.2 x 2.5 x 5.1 inch

• Notes

• Manual step attenuators.
  The attenuator sections are miniature tantalum nitride thin-film T-pads on sapphire and alumina substrates.

  HP 8494A 0 - 11 dB, 1 dB steps.
  HP 8495A 0 - 70 dB, 10 dB steps.

  HP 11716A interconnection kit allows the 8494A and 8495A attenuators to be cascaded as shown in the photos to achieve greater range in 1 dB steps.

  DC to 4 GHz.
  Max VSWR 1.5 (8494A), 1.35 (8495A).
  Max residual attenuation 0.6 dB + 0.09 dB/GHz (8494A), 0.4 dB + 0.07 dB/GHz (8495A).
  Repeatability typically 0.01 dB after 5 million cycles.
  Power capacity 1 W average, 100 W peak.

  Made with N, SMA or APC-7 connectors.

• Net weight (2.2 lb = 1 kg)
• 0.9 kg / 1 lb 15.7 oz (1.982 lb)

• Author
• Model page created by Bruce Taylor. See "Data change" for further contributors.

• Other Models

• Here you find 392 models, 360 with images and 138 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hewlett-Packard, (HP); Palo Alto, CA