Nelson-Ross PSA-011: Difference between revisions

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title=Nelson-Ross PSA-011|
manufacturer=Nelson-Ross |type=PSA-011|
summary=20 kHz Spectrum Analzyer|
summary=20 kHz Spectrum Analzyer|
image=Nelson-ross-psa011-2.jpg |
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introduced=(?) |
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series=[[500-series scopes]]|
series=500-series scopes|
manuals=
manuals=
* [[Media:Nelson-ross psa-001 002 003 011 012 013 plug-ins instruction sch.pdf|Manual for Nelson-Ross 001, 002, 003, 011, 012, and 013 (PDF)]]
* [[Media:Nelson-ross psa-001 002 003 011 012 013 plug-ins instruction sch.pdf|Manual for Nelson-Ross 001, 002, 003, 011, 012, and 013 (PDF)]]

Revision as of 04:43, 9 August 2021

Nelson-Ross PSA-011
20 kHz Spectrum Analzyer
Nelson-Ross PSA-011 front view

Compatible with 500-series scopes

Produced from (?) to (?)

Manuals
(All manuals in PDF format unless noted otherwise)
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

please add

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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