Keithley 240A Fonte de alimentação
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Modelo:
240A
Data:
1978
Categoria:
Grupo:
Descrição:
High Voltage Supply
Informação
GENERAL
The Keithley Model 240A is a compact high voltage supply
which provides accurate, stable outputs from 0 to 1200 volts
dc. Accuracy is +1% of the dial setting for all outputs.
Stability is +0.02% +2 millivolts the first hour or in
subsequent 8-hour periods, after a 30-minute warm-up. Line
regulation is +0.005% +2 millivolts for a 10% change in line
voltage, and load regulation is +0-0057o +2 millivolts from
no load to full load.
FEATURES.
a. Three Digit Resolution. Three in-line calibrated dials
set the output voltage in 1-volt steps. A TRIM Control
permits interpolation between steps with better than
5-millivolt resolution. Output can be selected positive or
negative with respect to ground.
b. Overload Protection. Repeated overloading or operation in
an overloaded condition for long periods will not damage the
Model 240A, Overload protection limits the output current to
less than 13 milliamperes and, when the overload is removed,
automatically returns the Supply to its set value.
c. Solid-State Design. The circuit for the Model 240A takes
advantage of the reliability and stability of a solid-state
comparator Amplifier, and the high voltage capability of a
series regulator tube to provide a high performance circuit.
Tipo de manual:
Serviço e Manual do Usuário
Páginas:
27
Tamanho:
1.87 Mbytes (1961726 Bytes)
Idioma:
english
Revisão:
ID de manual:
Data:
1978 05 01
Qualidade:
Documento Scaned, a leitura parcialmente mal, não parcialmente legível.
Data de upload:
2018 08 22
MD5:
0167cf382edd6092ef6267d8df66c210
Downloads:
564
Informação
1 Front Panel. ... ii
2 Front Panel Controls. ... 1
3 Rear Panel Terminals. ... 2
4 Output Impedance VS Frequency. ... 4
5 Overall Block Diagram. ... 6
6 Voltage Control Comparator. ... 7
7 Test Points, Current Limit Circuit. 10
8 Test Box for Noise Check. ... 11
9 Chassis, Top View. ... 12
10 Component Layout, PC-116. ... 13
11 Component Layout, PC-117 (Part 1). 14
12 Component Layout, PC-117 (Part 2). 15