HP3585A
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HP 3585A

Spectrum Analyzer

20Hz - 40 MHz

 

The 3585A Spectrum Analyzer with a fully synthesized local oscillator and HP-IB controllable. Outstanding low frequency performance from 20Hz to 40.1MHz. Within 0.4 dB overall measurement accuracy is maintained by an internal calibration routine, performed by an internal microprocessor.

Frequency Span range includes the entire frequency range with 0.1Hz resolution. Resolution Bandwidths of 3Hz to 30kHz in 1-3-10 sequence. Amplitude Measurement range from -137 dBm to +30 dBm (50 or 75 ohms) or 31 nV to 22 V (1 Mohm). A dynamic range of better than -80 dB.  

The built-in tracking generator provides output levels from 0 dBm to -11 dBm with a single turn knob.

The 3585A's provides for CRT readout of all control settings, microprocessor based controls and internal microcomputer, digitally stored and refreshed trace, and auto ranging input attenuator.

This HP 3585A performs like new.  This unit has the brightest, sharpest CRT display I have ever seen on a 3585.   I can't emphasize how well this unit performed on the bench during testing.  Physically it is excellent condition overall, although it might have a few dings and scratches.   

Specifications

  • 80 dB dynamic range

  • 3 Hz resolution bandwidth

  • 0.4 dB amplitude accuracy

  • High Resolution Digital Storage Display

  • MSRP - $23,700.00

 

Frequency

Measurement Range: 20 Hz to 40.1 MHz

Displayed Frequency Span - Range: 0 Hz to 40.1 MHz

Displayed Center, Start/Stop, and Manual Frequency - Range: 0 Hz to 40.1 MHz

Marker: Readout; Counter

Resolution Bandwidths - Range: 3 dB bandwidth of 3 Hz to 30 kHz in a 1, 3, 10 sequence

 

Sorry this picture is so bad. I moved the camera when i took the shot.

Amplitude

Measurement Range
* 1 Meg input: -31 nVrms to +7.08 Vrms
* 50/75 ohm input: -137 dBm to +30 dBm

Displayed Range
* Scale: 10 division CRT vertical axis
* Calibration: 10, 5, 2 and 1 dB/division

Input Range: -25 dBm to +30 dBm in 5 dB steps

Reference Level Range (relative to input range): -100 dB to +10 dB

 

Dynamic Range

Residual Responses: < -120 dBm using -25 dBm range

Spurious Responses

  • 50/75 ohm input: < -80 dB

  • 1 Mohm input: < -80 dB

Intermodulation Distortion

  • 50/75 ohm input: < -80 dB

  • 1Mohm input: < -70 dB

Residual Phase Noise

  • 5 kHz offset: -112 dBc/Hz

  • 100 kHz offset: -120 dBc/Hz

 

Sweep

Modes: Continuous, single or manual

Trigger: free Run, Line or External

Time: 0.2s full sweep to 200s

 

Input

Signal Inputs
* 50/75 ohm input: BNC connector
* 1 Mohm input: BNC connector

Maximum Input Level
* 50/75 ohm input: 13 V peak ac plus dc
* 1 Mohm input: 42 V peak ac plus dc

External Trigger Input

External Reference Input

Output

Tracking Generator
* Level: 0 dBm to -11 dBm with a single turn knob
* Impedance: 50 ohm

Probe Power: +15 Vdc, -12.6 Vdc; 150 mA max

IF: 350 kHz

Video: 10 V at the reference level

Frequency Reference: 10.000 MHz

 

 

Warranty

As our many customers will attest, we will do our very best to resolve any customer problems.  But our official policy is: 

  • All items sold are guaranteed against D.O.A. only. 
  • All claims must be made within 3 days of receipt. 
  • All warranties are void if the calibration / warranty seals are broken.

 

 

Shipping Policy

Buyer will pay $40.00 packing and shipping in the continental United States.  We will make every effort to ship within 24 hours of receipt of payment.  We ship with FedEx only.  We will be glad to ship with other carriers using the purchasers shipping account.  Please contact us to make any special shipping arrangements. For shipping rate research, our shipping address is Boulder, CO USA ---- Zip Code is 80305.

Foreign buyers:  Unless special provisions have been made, you are responsible for making your own shipping arrangements and all costs related to customs, duties & special packaging requirements.  Please do not ask us to quote you international shipping rates.  Use the address information above to research you own shipping rates.  You can email waltwhite@ascentconcepts.com to get the packaging fee, package weight and size for your research.  Items sold outside the USA are sold as is.  

 

 

 Payment Policy

We accept Credit Card payment through Paypal.   We accept Cashiers Check or Money Orders.

 

 

Ascent Concepts and Technologies is a Research & Development Lab.  As a service to the companies and institutions we work with, we broker their excess equipment & acting as application specialists on their new equipment needs.  We are now offering quality used equipment to the public with the same level of professionalism and service.   Please feel free to email at thomasknox@ascentconcepts.com or call Thomas @ 1-303-554-0307 with any Technical questions.  Please feel free to email at waltwhite@ascentconcepts.com or call Walt @ 1-720-276-8288 with any Shipping or Logistical questions. We make every effort to evaluate and guarantee our equipment.  Although we do not provide NIST traceable calibration, we do have in house calibration equipment and will make every effort to test and verify performance on equipment we sell.  However we do not warranty any items shipped outside the United States. 

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The equipment shown is a representation only.  We often have multiple units in stock so please email us with your needs.  We have a large inventory and can usually find any test and measurement item in a short time frame.------Inquires info@ascentconcept.com