Información del equipo:

Keithley 427 Amplificador
Fabricante:
Keithley
Modelo: 427
Fecha: 1975
Categoría: Los instrumentos de medición
Grupo: Amplificador
Descripción: Current Amplifier
Información:
                                    
GENERAL

The Model 427 Current Amplifier is a high-speed,
feedback-type Amplifier with particular features useful for
automated semiconductor testing, mass spectrometry, and gas
chromatography applications.

FEATURES.

a.	Wide Dynamic Range. Selectable rise times permit
low-noise operation important when resolving small current
levels.

b.	High Speed. Typical resolution is 20 picoamperes out of a
10⁻⁸ ampere signal with a 100 microsecond rise time.

c.	Built-in Current Suppression. Small changes in the signal
level can be measured since large ambient current levels can
be easily suppressed.

d.	Overload Indication. Accurate measurements are assured
since overloads are automatically indicated.

e.	Variable Gain. The GAIN Switch is designated in eight
gain positions from 10⁴ to 10¹¹ volts per ampere - therefore
gain adjustment is straight forward.

f.	Variable Rise Time. Optimum response can be selected for
each gain setting since a separate RISE TIME switch is
provided on the front panel.

Estos manuales están disponibles para el equipo anterior:

Tipo de manual: Servicio y Manual del usuario Keithley-3542-Manual-Page-1-Picture
Páginas: 47
Tamaño: 3.27 Mbytes (3428964 Bytes)
Idioma Inglés
Revisión:
Manual-/ número de identificación: 29103
Fecha: 1975
Calidad: Documento Scaneds, en parte leyendo mal, no parcialmente legible.
Fecha de carga:
MD5: f4f7bd42be0c2c47be6b1f63f0a76a17
Descargas: 306 desde 31 mayo 2012
Información:
Keithley-3542-Manual-Page-1-Picture


Tipo de manual: Manual de servicio Keithley-11274-Manual-Page-1-Picture
Páginas: 47
Tamaño: 2.00 Mbytes (2095471 Bytes)
Idioma Inglés
Revisión:
Manual-/ número de identificación: 29103
Fecha: 01 enero 1975
Calidad: Documento Scaned, todo legible.
Fecha de carga:
MD5: 088fbadd6dbec7b7fbbb5f66d479b13e
Descargas: 10 desde 23 agosto 2018
Información:
SPECIFICATIONS
— ... iv

1.	GENERAL DESCRIPTION------------------------------------— — 1

2.	OPERATION ...  4

3.	APPLICATIONS ... ------------------------------ 9

4.
ACCESSORIES------------------------------------------------ 10

5.	CIRCUIT
DESCRIPTION ...  12

6.	REPLACEABLE
PARTS- ... ------------------------------------ 17

7	•
CALIBRATION------------------------------------------------26

SCHEMATICS----------------------------------------------------33
Keithley-11274-Manual-Page-1-Picture


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