Hewlett-Packard 8656B Signal Generator

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Agilent Free Manual and Schematic Download Site
Download both the Service Manual (Vol 2 & 3 available) and the Operating/Cal Manual

Hewlett Packard Catalog CostLow BidHigh Bidaverage
$6,500.00 (1986)
$6,250.00 (1990)
...
no buy ($382 < reserve) 4/11/02 #1719743700 recycled-equipment
$561.95 4/23/02 #1724449059 kubrik1
$532.00 6/18/04 #3822733794 jtsele (15 bids $10 start) (works)
$214.27 (+$45.95 ship) 6/10/09 #270402287439 buybest14 (17 bids $1.00 start)(powers up)
$202.50 (free ship) 6/14/09 #110400607132 buybest13 (11 bids $0.99 start) (powers on-showd display-but untested)
$306.10 (+~$20 ship) 6/23/09 #110403381432 va-bay (8 bids $199.99 start) (powers on, displays, and swaps from function to function)
$197.50 (+~$26 ship) 7/20/09 #140333868303 e-cyclepro (12 bids $14.99 start) (powered on)
$174.00 (+$49.99 ship) 7/31/09 #120452555468 renel95460 (2 bids $149.99 start) (powers up-digits on display)
$215.99 (+$35 ship) 8/2/09 #220459407903 cbrx2sales (12 bids $0.99 start) (powers on-digits on displays)

  • Frequency Range 100 kHz to 990 MHz
  • Resolution of 100 or 250 Hz
  • Output levels of -127 dBm to +13 dBm
  • 1.0 dB absolute level accuracy
  • Internal Modulation (2 digit display): 400 and 1000 Hz, AM, FM or combination
  • Front RF Output
  • .


    The HP / Agilent 8656B is a programmable synthesized signal generator that combines performance, quality, and economy, covering the 0.1 to 990 MHz frequency range. Offering 1 dB level accuracy and 0.1 dB resolution with calibrated output levels over the +13 to -127 dBm range, the 8656B provides precise output control. In addition, its modulation capabilities include simultaneous and mixed modulation modes from internal (400 Hz and 1 KHz tones) and external sources. These features create a versatile signal generator for use in a variety of applications.