3L5

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Tektronix 3L5
1 MHz Spectrum Analyzer
Tektronix 3L5 Spectrum Analyzer

Compatible with 560-series scopes

Produced from 1967 to (?)

Manuals
Manuals – Specifications – Links – Pictures

The Tektronix 3L5 is a 50 Hz — 1 MHz spectrum analyzer plug-in for 560-series scopes.

It is very similar to the 1L5 and can be used to measure the spectrum of signals. In conjunction with the 015-0107-00 "Swept Frequency Generator" (tracking generator), the 3L5 can also be used to make scalar frequency response measurements.

75 Ω Version

There is also a 75 Ω version of the 3L5. Its input is on the rear, via a coaxial connector. A lever on the front panel switches between two frequency ranges:

  • 10 kHz - 1 MHz
  • 18.010 MHz - 19 MHz

Specifications

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