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Фрагмент инструкции
FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES OR LOSSES, INCLUDING LOSS OF DATA, ARISING FROM ANY CAUSE OR THEORY. Since some countries or states do not. allow limitation of the term of an implied warranty, or exclusion or limitation of incidental or consequential damages, the limitations and exclusions of this warranty may not apply to every buyer. If any provision of this Warranty is held invalid or unenforceable by a court or other decision-maker of competent jurisdiction, such holding will not affect the validity or enforceability of any other provision. Fluke Corporation Fluke Europe B. V. P.O. Box 9090 P.O. Box 1186 Everett, WA 98206-9090 5602 BD Eindhoven U.S.A. The Netherlands 11/99 To register your product online, visit register.fluke.com Function Generators Introduction Introduction This manual provides a brief description and safety information for both t h e Model 80 - Function Generator and Model 81 - Pulse/Function Generator. The Instruction Manual (provided on the CD-Rom) provides complete operating and maintenance instructions. Description Model 80 is an extremely high-performance programmable function generator. It provides a variety of signal waveforms, to be used as test stimuli for different electronic devices. Microprocessor based, Model 80 is easy to set up for manual use. It is also simple to program in GPIB system environment. The instrument is built in an all-round metal case for improved RFI and EMI shielding. It is housed in a size to fit half-rack enclosures. Regardless of its small size, Model 80 offers many features and functions, such as enhanced accuracy, eight different linear and logarithmic sweep modes, automatic phase lock loop, pulse and ramp waveforms with transition time control (Model 81 only), counted burst, internal trigger generator, full implementation of the new IEEE-488.2 standard, and more. But, most of all, Model 80 guarantees high quality waveforms through-out the specified frequency range, amplitude span, and operating temperature. Model 80 generates waveforms within a frequency range from 10mHz to 50MHz and an amplitude span from 10mV to 32Vp-p. Such broad coverage warrants a variety of complex applications. Rapid, repeatable testing every time is assured by a non-volatile mem-ory. Up to 30 front panel set-ups can be stored and recalled for later use; ensuring exact duplication of previous tests. Its performance, programmability and economy make it equally at home in every laboratory. For improved output accuracy, Model 80 employs a built-in counter. This counter is incorporated in an internal loop which constantly monitors the output frequency. Even the slightest deviation from the programmed frequency is detected and corrected by the microprocessor circuit. Model 80 features self-calibration and self-diag-nostic functions that can be operated anytime from the front panel or GPIB command. The self-calibration function compares the output signal parameters to built-in internal references and stores correcting fac-tors in special tables. If calibration routine fails or can not be completed due to electrical faults, the generator produces a failure list that can be evaluated either from the front panel or through GPIB status reporting command. Besides its normal continuous mode, Model 80 offers a variety of interrupted and controlled modes. Output waveform may be gated, triggered, or may generate a counted burst of output waveforms. A built-in trigger generator, having a programmable period, can replace an external trigger stimulant. The MANUAL trigger is just an additional convenience for front panel operation. The generator may also be placed in a number of externally controlled modes, such as VCO, FM, AM, and pulse width modulation (PWM - Model 81 only). Model 80 may be used as an independent sweep generator with its output swept over an exceptionally wide range of 10 decades. The instrument offers a choice of eight sweep modes, both linear and loga-rithmic to cover a large number of applications. A MARKER output provides an oscilloscope Z-axis modulation to intensify segments of sweep trace. Alternately, Model 80 may also be used as a stand-alone phase lock generator. The instrument locks automatically to an external signal and equates its output frequency and phase to that provided by the external reference. The operator may then gen-erate a phase offset between the reference signal and the generator’s output. Phase offset is adjusted within a range of ±180°. Getting Started Model 80 provides an output level from 20mV to 32Vp-p into open circuit or 10mV to 16Vpp into 50.. DC offset plus amplitude are independently variable within two window levels: ±16V and ±1.6V (into open circuit). This special characteristics warrants production of extremely small signals at an elevated DC environment. Model 81 is a pulse/function generator and is also described in this manual. This instrument is identical in its basic funct...
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