Informacji Wyposażenie:

Wavetek 3002 Generator
Producent:
Wavetek
Model: 3002
Data: 1981
Kategoria: Przyrządy pomiarowe
Grupa: Generator
Opis: 520MHz Signal Generator
Informacje:
                                    INTRODUCTION

The Wavetek Models 3001/3002 are rugged, completely
solid-state Signal Generators covering the frequency range
of .001 or 1 to 520 MHz. The output can be amplitude or
frequency modulated, and the level can be set between + 13
and -137 dBm.

1.1.1	FREQUENCY CHARACTERISTICS

The frequency of the instrument is set via 6 front-panel
Lever/indicator switches which yield a resolution of 1 kHz.
in addition, remote frequency programmability is standard.
Series 3900 programmers are available to facilitate
semiautomatic or GPIB programming of both frequency and
output level.

The accuracy of the instrument is based on a
crystal-controlled oscillator that serves as a stable
frequency reference that enables the instrument to provide
high stability signals to an accuracy of 0,001% over its
specified frequency range. This accuracy includes possible
errors due to short term drift, long term drift, incidental
FM, and variations due to line voltage changes and
temperature changes. With the FREQUENCY VERNIER out of the
CAL position, the frequency is accurate to 0.001% ±10 kHz.

The accuracy of the instrument can be improved by using the
optional External Reference input or the optional
Internal/External Reference or High Stability Internal
Reference. An Auxiliary RF Output option is also available
to drive a counter. (See Section 1.3, Options.)
1.1.2	MODULATION •

These instruments also feature both internal and external
amplitude and frequency modulation capabilities. Internal
modulation frequencies of 400 Hz and 1 kHz are standard. Sn
the FM mode of operation, peak deviations to 100 kHz are
attainable. In the AM mode, amplitude modulation to 90% is
attainable.

With the MODULATION MODE switch in the AM position and the
MODULATION FREQUENCY switch in the DC position, the output
amplitude can be varied by the MODULATION FM/AM control.
This provides a reference attenuator for variation of a
signal level around a specific point of interest. This
operation can also enable the user to obtain greater than 20
milliwatts of power over portions of the band. The frequency
can also be continuously varied with this control over a 100
kHz range.

1.1.3	OUTPUT LEVEL FREATURES

The output power is indicated on a front-pane! meter
calibrated in both dBm and VRMS. A fifteen-position, 10
dB/step Attenuator used in conjunction with an 11 dB VERNIER
control provides the user with a range of +13 dBm to -137
dBm. Two programmable attenuator options (1A and 1B), see
Section 1.3.1} are available.

The calibrated output of each instrument is leveled to
within ±0.75 dB across the complete frequency range of the
instrument.

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Instrukcja obsługi Typ: Serwis i User Manual Wavetek-6402-Manual-Page-1-Picture
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Informacje:
SECTION 1 GENERAL INFORMATION
1.1 INTRODUCTION ...........
1.2 SPLCIFICATIONS................
1.3 OPTIONS..............................
1.4 ACCESSORIES.........................

SECTION 2 OPERATION
3.1 INTRODUCTION.................................
2.2 MECHANICAL INSTALLATION. . .
2.3 ELECTRICAL INSTALLATfON .
2.4 DESCRIPTION OF FRONTPANEL
2.5 DESCRIPTION OF REAR PANEL .
2.β INSTALLATION CHECKS................
2.7 OPERATING PROCEDURE .. .

SECTION 3 THEORY OF OPERATION
3.1 INTRODUCTION.................................
3.2 OVERALL BLOCK DIAGRAM ....
3.3 C315 - METER BOARD . . ...
3.4 C31G-2 MODULATION BOARD. . .
3.5 DPS2A - POWER SUPPLY . ..
3.6 DELETED............................................
3.7 M9W SWEEP OSCILLATOR .. .
3.3 MIOW-G/WIIOW-S - OUTPUT AMPLIFIER
3.9 M172 - SWEEP DRIVE/DAC .
3.10 M29-2 - FM REFERENCE...........................
3.11 M30-1 - CRYSTAL SOURCE. . . .
3.12 M31A-kHi STEPS...........................
3.13 M32A- MHz STEPS......................................
3.14 M33 ? - NARROW OSCILLATOR LOCK.
3.15 M34-WIDE OSCILLATOR LOCK...........
3.16 M115 - DOWN CONVERTER...................

SECTION 4 PERFORMANCE TESTS
4.1
INTRODUCTION.........................................................
4.2 FREQUENCY RANGE AND RESOLUTION TEST.
4.3 FREOUENCY ACCURACY TEST . .....................
4.4 FREOUENCY STABILITY TEST .....................
4.5 OUTPUT LEVEL ACCURACY TF5TS......................
4.6 HARMON ICS
TEST.......................................................
4.7 NON-HARMONJC TEST .........................................
4.H RESIDUAL AM TEST
............................................
4.9 RESIDUAL FM
TEST....................................................
4.in INTERNAL MODULATION FREQUENCY I'EST
4 11 PERCENT AM ACCURACY TEST..............................
4.12 AM BANDWIDTI-I
Tf=5T..............................................
4.13 AM DISTORTION
TEST..............................................
4.14 FM DEVIATION ACCURACY TEST.............
4.15 FM BANDWIDTH
TEST............................................
4.16 FM DISTORTION TEST.........................................
4.17 IMPEDANCE
TEST....................................................
4.13 FI F|
TEST....................................................................
PERFORMANCE TEST RECORD.........................
Wavetek-6402-Manual-Page-1-Picture


Instrukcja obsługi Typ: Instrukcja obsługi Wavetek-11128-Manual-Page-1-Picture
Strony: 67
Rozmiar: 2.47 Mbytes (2587994 Bytes)
Język: Angielski
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Data: 01 listopad 1981
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