Wavetek 1081 Generator
Fabrikant:
Model:
1081
Datum:
1981
Categorie:
Groep:
Omschrijving:
Sweep Generator

Informatie

The Wavetek Models 1080.1081 are economical, laboratory* quality, wide-band sweep generators designed to meet the needs of engineering, production, maintenance, and educational facilities. The major features of these instruments include the wide frequency range (1 to 1000 MHz), the ability to sweep over any portion ot the frequency range, digita! frequency and output level readouts, and display linearity of 1%. Operating modes include CW, Af, and FS {full sweep). A unique "auto-zero" circuit virtually eliminates annoying frequency drift normally associated with wide-band sweep generators, and provides for superior narrow-band operation and improved frequency accuracy. A crystal-marker circuit provides markers at 1, 10, and 100 MHz harmonic intervals (with different amplitudes for positive identification of the interval points) throughout the entire frequency band. Marker width is adjustable from the front panel for optimum wide- and narrow-band operation. An external marker input is provided on the front pane!. A calibrated variable "pinball" marker is also provided in the full sweep mode. The rear-panel SLOPE control allows up to 1 dB/GHz (.1 dB/100 MHz) of slope (1 MHz pivot point) to be imposed on the output to compensate for frequency- dependent variations in the external circuitry. The instrument's center frequency, sweep width, and output level can also be remotely controlled via a rear-panel connector. This connector also provides access to the blanking, 1 V/100 MHz, sweep ramp, pen lift, and ±18 V Power Supply output signals, as well as providing a connection for an external trigger input. These instruments feature modular PC board Plug-In construction for all non-RF circuitry. The RF circuitry is contained in its own shielded assembly. This concept offers protection against obsoSesence, since updated and additional features can be simply and economically added as new requirements dictate. In addition, maintenance problems can be greatly simplified by stocking a few assemblies instead of hundreds of discrete components.

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Datum:
1983 06 01
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1995

Informatie

SECTION 1 - GENERAL INFORMATION 1.1 INTRODUCTION 1.2 SPECIFICATIONS 1.3 Accessories SECTION 2 - OPERATION 2.1 INTRODUCTION 2.2 MECHANICAL INSTALLATION 2.3 ELECTRICAL INSTALLATION 2.4 DESCRIPTION OF FRONT PANEL 2.5 DESCRIPTION OF REAR PANEL 2.6 TYPICAL OPERATING SETUP 2.7 SPECIAL OPERATING NOTES 2.8 Interface CONNECTOR SECTION 3 - THEORY OF OPERATION 3.1 INTRODUCTION 3.2 FUNCTIONAL BLOCK DIAGRAM 3.3 Power supply 3.4 SWITCHING AND LOGIC CIRCUITS 3.5 SWEEP RATE Generator 3.6 SWEEP DRIVE 3.7 AUTO ZERO 3.8 SWEEP Oscillator 3.9 RF OUTPUT 3.10 MARKER CIRCUIT SECTION 4 - PERFORMANCE TESTS 4.1 INTRODUCTION 4.2 FREQUENCY RANGE AND ACCURACY TEST 4.3 DISPLAY LINEARITY TEST 4.4 SWEEP WIDTH TEST 4.5 FREQUENCY DRIFT TEST 4.6 SIGNAL PURITY TEST 4.7 RF OUTPUT TESTS 4.8 SWEEP TESTS 4.9 MARKER TESTS 4.10 EXTERNAL PROGRAMMING SECTION 5 - MAINTENANCE 5.1 INTRODUCTION 5.2 SERVICE INFORMATION 5.3 CALIBRATION PROCEDURE 5.4 TROUBLESHOOTING Section 6 and 7 is missing! SECTION 6 - REPLACEABLE PARTS 6.1 INTRODUCTION 6.2 MANUFACTURERS CODE *** PARTS LISTS SECTION 7 - SCHEMATICS 7.1 INTRODUCTION 7.2 SCHEMATIC NOTES 7.3 SCHEMATIC INDEX *** SCHEMATICS

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