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Template:Plugin Sidebar 2 The Tektronix 1L30 is a 10.5 GHz spectrum analyzer plug-in for 500-series scopes. It covers the frequency range from 1 GHz to 10.4 GHz.

The 1L30 was originally the third-party Pentrix L-30. The model number was changed some time after Tektronix took over Pentrix in 1964.


Frequency range 1 GHz to 10.4 GHz
Sensitivity -105 to -75 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