Pentrix L20

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Pentrix L20
4 GHz Spectrum Analyzer plug-in
L20 front

Compatible with 500-series scopes

Produced from 1963 to 1965

Manuals
(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Pentrix L20 is a spectrum analyzer plug-in for 500-series scopes.

It is the predecessor of the 1L20 that Tektronix produced after taking over Pentrix in 1964.

Frequency range is 10 MHz to 4 GHz.

Key Specifications

  • please add

Pictures

Components

Some Parts Used in the Pentrix L20

Part Part Number(s) Class Description Used in
12AT7 154-0039-00 Vacuum Tube (Dual Triode) dual high-gain triode 161 180 310 310A 315 316 360 502 502A 511A 512 513 513D 514 514AD 514D 516 524 529 RM529 544 546 547 556 565 570 3A2 75 3A75 1M1 A B C G H K L ML M N K R S Z Keithley 610B Pentrix L20 Pentrix L30
12AU6 154-0040-00 Vacuum Tube (Pentode) RF pentode 81 112 1L10 1L20 1L30 1L60 3L10 512 556 575 545 547 549 581 585 A B C G K H L ML M N O R S Z Pentrix L20 Pentrix L30
12AU7 154-041 154-0041-00 154-0287-00 Vacuum Tube (Dual Triode) dual medium-μ triode 104 104A 122 160 161 162 181 190 310 310A 316 317 3C66 502 502A 507 511A 512 516 517 517A 524 526 535 536 545 545A 545B 547 549 555 561 564 570 575 581 581A 585 585A C D E N Q Hickok 1825 Keithley 660A Pentrix L20 Pentrix L30
1N3712 152-0189-00 Discrete component 1 mA, 10 pF germanium tunnel diode Pentrix L20 Pentrix L30
7486 154-0474-00 Vacuum Tube (Triode) metal-ceramic planar UHF triode Pentrix L20 Pentrix L30
STD962 152-0169-00 Discrete component 1 mA, 10 pF tunnel diode L140 Pentrix L20 Pentrix L30 067-0518-00 067-0594-00 1L60 1S2 1503 3B5 3T7 4054 4054A 4902 5S14N 7S14 7T11