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The Tektronix 1L20 is a spectrum analyzer plug-in for [[500-series scopes]].
{{Plugin Sidebar 2 |
It covers the frequency range from 10MHz to 4.2GHz.
title=Tektronix 1L20 |
summary=4.2 GHz Spectrum Analyzer plug-in |
image=1L20 front.JPG |
caption=1L20 front |
series=[[500-series scopes]] |
introduced=1965 |
discontinued=1975 |
manuals=
* [http://w140.com/tek_1l20.pdf Tektronix 1L20 Manual (PDF)]
* [http://ki3u.byethost3.com/Radio-PhysicsDIR/Substitute_uhf_osc_tubes_for_Tek_1L20.html Berj / KI3U's Page on 1L20 Oscillator Repair]
}}
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.


* [http://w140.com/tek_1l20.pdf Tektronix 1L20 Manual (PDF)]
The 1L20 was originally the third-party [[Pentrix L20|Pentrix L-20]].
The model number was changed some time after Tektronix took over [[Pentrix]] in 1964.
 
{{BeginSpecs}}
{{Spec | Frequency range | 10 MHz to 4 GHz }}
{{Spec | Sensitivity | -110 to -90 dBm }}
{{Spec | Dispersion | 15 kHz to 60 MHz, magnifier usable to 2.5 kHz }}
{{Spec | Resolution bandwidth | 1 kHz to 100 kHz, variable }}
{{Spec | Display | log, lin, square, video }}
{{EndSpecs}}
 
==Prices==
$1,995 (1965) equiv. to $15,200 in 2016


==Pictures==
<gallery>
<gallery>
File:Tek 1l20 pb.jpg
1L20 front.JPG|Front
Image:1L20_1.jpg
1L20 left.JPG|Left
File:1L20 schem output amp.png|Output Amplifier
1L20 right.JPG|Right
File:1L20 schem variable resolution.png|Variable Resolution Circuit
1L20 top.JPG|Top
File:1L20 schem phase lock.png|Phase Lock Circuit
1L20 bottom.JPG|Bottom
File:1L20 schem sweeper.png|Sweeper
Tek 1l20 pb.jpg
File:1L20 schem if attenuator.png|IF Attenuator
1L20_1.jpg
File:1L20 schem if amp 70mhz osc mixer.png|IF Amp, 70MHz Oscillator and Mixer
1L20 block.png|Block Diagram
1L20 rf and phase lock block.png|RF and Phase Lock Block Diagram
1L20 if block.png|IF Block Diagram
1L20 schem rf section.png|RF Section
1L20 schem phase lock.png|Phase Lock Circuit
1L20 wideband amp and mixer.png|Wideband Amp and Mixer
1L20 schem sweeper.png|Sweeper
1L20 schem if attenuator.png|IF Attenuator
1L20 schem if amp 70mhz osc mixer.png | IF Amp, 70 MHz Oscillator and Mixer
1L20 schem variable resolution.png | Variable Resolution Circuit
1L20 schem output amp.png | Output Amplifier
</gallery>
</gallery>
[[Category:Spectrum Analyzers]]
[[Category:500 series plugins]]

Revision as of 08:27, 4 February 2018

Template:Plugin Sidebar 2 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.

Key Specifications

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

Prices

$1,995 (1965) equiv. to $15,200 in 2016

Pictures