Nelson-Ross PSA-011: Difference between revisions

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title=Nelson-Ross PSA-011|
title=Nelson-Ross PSA-011|
summary=20 kHz Spectrum Analzyer|
summary=20 kHz Spectrum Analzyer|
image=PC280162.JPG |
image=Nelson-ross-psa011-2.jpg |
caption=Nelson-Ross PSA-011 front view|
caption=Nelson-Ross PSA-011 front view|
years=? – ?|
years=? – ?|
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* [http://w140.com/kurt/nelson_ross_001-002-003-011-012-013.pdf Manual for Nelson-Ross 001, 002, 003, 011, 012, and 013 (PDF)]
* [http://w140.com/kurt/nelson_ross_001-002-003-011-012-013.pdf Manual for Nelson-Ross 001, 002, 003, 011, 012, and 013 (PDF)]
}}
}}
The Nelson-Ross PSA-011 is a spectrum analyzer plug-in for [[500-series scopes]].
The '''Nelson-Ross PSA-011''' is a spectrum analyzer plug-in for [[500-series scopes]].
The center frequency range is 10 Hz to 20 kHz.  It can display amplitude in  
The center frequency range is 10 Hz to 20 kHz.  It can display amplitude in  
linear or log scale.   
linear or log scale.   

Revision as of 08:00, 4 June 2014

{{{manufacturer}}} Combined
20 kHz Spectrum Analzyer
Nelson-Ross PSA-011 front view

Compatible with [[500-series scopes]]

Produced from {{{introduced}}} to {{{discontinued}}}

Manuals
(All manuals in PDF format unless noted otherwise)
[[Category:Introduced in {{{introduced}}}]]
Manuals – Specifications – Links – Pictures

The Nelson-Ross PSA-011 is a spectrum analyzer plug-in for 500-series scopes. The center frequency range is 10 Hz to 20 kHz. It can display amplitude in linear or log scale.

The input is high-impedance and is AC-coupled. The PSA-011 is a single-conversion architecture with a pair of 6BH6 tubes serving as a balanced mixer. After IF filtering and amplification, the signal is detected using a 1N34A germanium diode. The detected voltage from the diode directly drives pin 3 (vertical -) of the scope plug-in interface connector. Pin 1 (vertical +) of the scope plug-in interface connector is fed a DC vertical position voltage by the PSA-011.

The voltage-controlled local oscillator is tuned using a variable-reactance tube, V6, a 6201.

There were at least two major versions produced, without changing the model number. Compare the picture from the manual below with the other front panel photographs.

There was also a tracking generator, called the Nelson Ross 101 SYNCHRO-SWEEP Generator. These are very rare.

Specifications

Pictures

  • Front panel, as shown in manual.

    Front panel, as shown in manual.

  • Front

    Front

  • Front 2

    Front 2

  • Front right

    Front right

  • Front left

    Front left

  • Bottom

    Bottom

  • Bottom 2

    Bottom 2

  • Left

    Left

  • Rear right

    Rear right

  • Rear

    Rear

  • Rear 2

    Rear 2

  • Rear 3

    Rear 3

  • Schematic

    Schematic

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