Geräte Informationen:

Keithley 427 Verstärker
Hersteller:
Keithley
Modell: 427
Datum: 1975
Kategorie: Messgeräte
Gruppe: Verstärker
Beschreibung: Current Amplifier
Informationen:
                                    
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.

Folgende Anleitungen sind hier verfügbar:

Dokumenttyp: Service- und Bedienungsanleitung Keithley-3542-Manual-Page-1-Picture
Seitenanzahl: 47
Dateigröße: 3.27 Mbytes (3428964 Bytes)
Sprache: Englisch
Revision:
Dokument-ID/Nummer: 29103
Datum: 1975
Qualität: Gescanntes Dokument, teilweise schwer oder teilweise nicht zu lesen.
Upload Datum:
MD5: f4f7bd42be0c2c47be6b1f63f0a76a17
Downloads: 400 seit dem 31 Mai 2012
Informationen:
Keithley-3542-Manual-Page-1-Picture


Dokumenttyp: Serviceanleitung Keithley-11274-Manual-Page-1-Picture
Seitenanzahl: 47
Dateigröße: 2.00 Mbytes (2095471 Bytes)
Sprache: Englisch
Revision:
Dokument-ID/Nummer: 29103
Datum: 01 Januar 1975
Qualität: Gescanntes Dokument, alles ist lesbar.
Upload Datum:
MD5: 088fbadd6dbec7b7fbbb5f66d479b13e
Downloads: 70 seit dem 23 August 2018
Informationen:
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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