• Country
• United States of America (USA)

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

• Year
• 1980 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 244343

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Radio Frequency Amplification only

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 115; 230 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Amplifier 0.1-1300 MHz 8447D - Hewlett-Packard, HP; Palo Alto

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 130 x 85.8 x 216 mm / 5.1 x 3.4 x 8.5 inch

• Notes

• The Hp 8447D is a general purpose wideband amplifier with low noise,low distorsion ,a flat frequency response (+-1.5dB) and long term stability and reliability.The model 8447D is a preamplifier providing 26 dB of gain to signals from 100 KHz to 1.3 GHz.It can be used to increase the sensitivity of any lab device operating in the above frequency range.

  The Hp 8447D is a single preamplifier with BNC connectors.However,to provide flexibility, three options are offered:

  -Option 001 Dual Preamplifier BNC connectors;

  -Option 010 Single Preamplifier N connectors;

  -Option 011 Dual preamplifier N connectors.

   

• Net weight (2.2 lb = 1 kg)
• 1.590 kg / 3 lb 8 oz (3.502 lb)

• Mentioned in
• - - Manufacturers Literature

• Author
• Model page created by Antonio Marra. See "Data change" for further contributors.

• Other Models

• Here you find 391 models, 359 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