Apparatuur informatie:

Krohn-Hite Corporation 4500 Oscillator
Fabrikant:
Krohn-Hite Corporation
Model: 4500
Datum:
Categorie: Meetinstrumenten
Groep: Oscillator
Beschrijving: Ultra-Low Distortion RC Oscillator
Informatie:
                                    The Krohn-Hite Model 4500 is an ultra-low distortion, stable
amplitude oscillator designed for test and measurement
applications in the 1Hz to 100kHz frequency range.
The 4500 produces a virtually "distortion free" (<0.001%)
sinewave for measuring harmonic distortion in audio
pre-amplifier and power amplifier circuits. It also
generates squarewaves with aberrations of less than 5% peak
to peak amplitude. The exceptionally flat response of the
4500 (+0.05dB) eliminates the need to constantly monitor
voltage levels during amplifier response tests.
The unit delivers up to 7 volts rms open circuit to MAIN and
INVERTED OUTPUTS of 600 ohm impedance. A MAIN OUTPUT of 50
ohms impedance is also provided. A four position pushbutton
ATTENUATOR calibrated in 20dB steps together with a 30dB
vernier provides a total dynamic range of 90dB. Amplitude
and frequency stability varies less than 0.001% with a 10%
change in line voltage.
Sumultaneous INVERTED (180°) OUTPUT is provided for
synchronizing a scope or as an auxiliary output. The output
is fixed at 7 volts rms from a 600 ohm source impedance.
Frequency tuning is provided by a 10:1 tuning dial and a 5
band decade multiplier .
When combined with Krohn-Hite' s Ultra-Low Distortion
Analyzer 6800A/6900 Series, it provides a complete
distortion measurement system.

Deze handboeken zijn beschikbaar voor de bovengenoemde apparatuur:

Handleidingen Type: Service-en gebruikershandleiding KrohnHite-7105-Manual-Page-1-Picture
Pagina's: 24
Maat: 863.85 Kbytes (884586 Bytes)
Taal: Engels
Herziening van:
Manual-ID/Number:
Datum:
Kwaliteit: Gescand document alle leesbaar.
Upload datum:
MD5: 7196c97706beda5693123e14a0f46158
Downloads: 133 Sinds 06 september 2015
Informatie:
Operating and Maintenance Manual

1.0 GENERAL DESCRIPTION.................................... 1
1.1 INTRODUCTION......................................... 1
1.2 SPECIFICATIONS................................... 1
1.3 GENERAL SPECIFICATIONS...................................2
2.0
OPERATION......................................................5
2.1 INTRODUCTION............................................5
2.2 POWER REQUIREMENTS.......................................5
2.3 TURN-ON PROCEDURE......................................5
2.4 CONTROLS AND CONNECTORS.................................5
2.5 OPERATION................................................6
3.0 INCOMING ACCEPTANCE AND ROUTINE PERFORMANCE TESTS.
............ 9
3.1 INTRODUCTION. ..........................................9
3.2 PROCEDURE ............... .................. 9
4.0 CIRCUIT
DESCRIPTION............................................13
4.1 THEORY OF OPERATION ................ ...... ........ 13
4.2 AVC OPERATION ............................................13
5.0
CALIBRATION...................................................15
5.1 INTRODUCTION. ........ .............................15
5.2 CALIBRATION PROCEDURE ....................................15
5.3 POWER SUPPLY..............................................16
5.4 OUTPUT DC LEVEL ADJUSTMENTS ..............................16
5.5 DIAL CALIBRATION. ........................................16
5.6 FREQUENCY CALIBRATION (XI, ΧΙΟ, X1K)......................16
5.7 FREQUENCY CALIBRATION (X10R). ............................16
5.8 DIAL CONFORMITY CHECK....................................17
5.9 DISTORTION ADJUSTMENT ..... ...........................17
5.10 SQUAREWAVE
CALIBRATION....................................17
6.0
MAINTENANCE.................................................19
6.1 INTRODUCTION............................................19
6.2 MAINTENANCE PROCEDURE...................................19
7.0 PARTS LIST, SCHEMATICS AND BOARD LAYOUTS............... .21
7.1 ORDERING INFORMATION....................................21
7.2 ORDERING UNLISTED PARTS
.................................. 21
KrohnHite-7105-Manual-Page-1-Picture


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