1L20: Difference between revisions
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caption=1L20 front | | caption=1L20 front | | ||
series=[[500-series scopes]] | | series=[[500-series scopes]] | | ||
introduced= | introduced=1965 | | ||
discontinued= | discontinued=1975 | | ||
manuals= | manuals= | ||
* [http://w140.com/tek_1l20.pdf Tektronix 1L20 Manual (PDF)] | * [http://w140.com/tek_1l20.pdf Tektronix 1L20 Manual (PDF)] | ||
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The 1L20 was originally the third-party [[Pentrix L20|Pentrix L-20]]. The model number | 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. | 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== | ==Prices== |
Revision as of 13:56, 2 August 2017
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 |
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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
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Front
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Left
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Right
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Top
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Bottom
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Block Diagram
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RF and Phase Lock Block Diagram
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IF Block Diagram
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RF Section
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Phase Lock Circuit
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Wideband Amp and Mixer
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Sweeper
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IF Attenuator
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IF Amp, 70 MHz Oscillator and Mixer
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Variable Resolution Circuit
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Output Amplifier