Tektronix 7L12

Spectrum Analyzer Plug-In
The Tektronix 7L12 is a used Spectrum Analyzer Plug-In.

The Tektronix 7L12 Spectrum Analyzer Plug-In provides proven, economical VHF/UHF coverage for use with 7000-Series Mainframes. On-screen CRT readout of main control settings. The 7603 mainframe is recommended for the most economical system or a 7854 digitizing mainframe should be used for semiautomatic capabilities.
Covers 100kHz to 1.8GHz with internal mixer. 
Resolution bandwidths of 300Hz to 3MHz. 
Sensitivity: +30 dBm to -100 dBm at 300Hz resolution bandwidth. 
Frequency Span: 500Hz/div to 100MHz/div. 
Display modes: Log 10 dB/div, Log 2 dB/div and Linear settings.
Sweep times from 10 mS/div to 1 µs/div in 1-2-5 sequence.