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Manuals – Specifications – Links – Pictures
The Tektronix 1L20 is a spectrum analyzer plug-in for 500-series scopes. It covers the frequency range from 10 MHz to 4.2 GHz.
The 1L20 was originally the third-party Pentrix L-20. The model number was changed some time after Tektronix took over Pentrix in 1964.
|Frequency range||10 MHz to 4 GHz|
|Sensitivity||-110 to -90 dBm|
|Dispersion||15 kHz to 60 MHz, magnifier usable to 2.5 kHz|
|Resolution bandwidth||1 kHz to 100 kHz, variable|
|Display||log, lin, square, video|
$1,995 (1965) equiv. to $15,200 in 2016