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Model 8500

50MHz Single / Dual Channel Pulse Generator

Model 8500 is a modern-universal source of test stimulus waveform. Its flexibility ensures continuing usefulness for a variety of tasks, today as well as in the future, when demands change. Its versatility, reliability, programmability and economy make it equally-at home in engineering research laboratories, production test stand, automated system or in the maintenance shop. Although providing wide 70 MHz frequency coverage, and large 32 V amplitude span, this generator is very affordable even for versions incorporating two output channels.
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Highlights Features Specifications Ordering Info Downloads Reviews
  • Two independently programmed output channels with standard ECL/TTL auxiliary outputs (Channel B optional)
  • Repetition rate to more than 70MHz
  • Extremely high output amplitude level of 32Vp-p, within a ±24Vdc window (open circuit), in less than 5ns
  • High-Accuracy, high-resolution digital settings, over exceptionally wide ranges. Pulse width/delay are set with 1 ns increments to 79,999ns
  • Auto-calibration of output period with the built-in counter. Basic period accuracy is controlled to within 0.1% by an internal counter
  • Pulse output modes include single, double, delayed, and pulse complements
  • Extremely low jitter pulse width and delay specifications
  • Linear transition times and separate controls for leading and trailing edges
  • Complete pulse error detection for error-free operation
  • Complete GPIB programmability

Versatility

Model 8500 employs a microprocessor circuit for ease of manual operation and for simple IEEE-488 programming. Modification of pulse parameters is digitally set (manually or bus programmed) over exceptionally wide ranges:

Expandability

As standard, Model 8500 is furnished with one main output (channel A) and one auxiliary output. The auxiliary output delivers a fixed voltage level of either TTL or ECL with transition times better than 2 nS.

Production Environment

Rapid repeatable testing every time is ensured by special features, which reduce possibility of the operator`s set-up error.

Easy to understand panel layout and positive action buttons simplify operation even for less skilled user. Error messages in the readout warn of possible operator mistake.

Any of 30 pre-programmed complete setup states, stored in a non-volatile memory can be recalled by a simple number, ensuring exact duplication of previous set-up no matter how complex thus, saving the time which is otherwise required to set up the instrument for different tests. The last active set-up state is exactly restored during start-up, eliminating false test after a momentary power loss. The need to periodically calibrate the frequency is virtually eliminated, since the output is compared and corrected to a precise standard.

Reliability is due to conservative design, which include protection against short circuit. Self-test on turn on automatically checks all digital circuits numerals and indicator lamps.

Systems Environment

All controls choice of waveforms, setting of modifiers, and waveform output disconnect -are programmable through the built-in IEEE (talker Listener Interface).
Any of 30 pre-programmed set-ups can be recalled from the internal non-volatile memory simplifying system computer programming and reducing test time. Setups may be updated locally or programmed by the bus. Wide control of waveform parameters provides flexibility for today`s automated testing or for extended testing in the future. During system checkout the unit provide an error status report, which may be recalled using the serial polling sequence. The Model 8500 may also be programmed to request service only when a specific condition occurs.

Applications

General purpose pulse generation.
Automatic test systems.
Digital communications.
Linear amplifier testing.
Material stress testing.
ECL, TTL and CMOS component testing.
High speed drive for microwave switches.
Radar simulation.

Waveforms
Output Modes
Output Channels
Pulse Parameters (Channels A&B)
Width, Double Pulse
Fixed Duty Cycle Mode
Output Levels (Channel A)
Output Levels (Channel B)
Pulse Performance (Channel A&B)
Linear Transition Times (Channel A)
Sync Output
Auxiliary Outputs (AUX A & B)
Triggering Characteristics
Amplifier Input Characteristics
Counter/Timer Characteristics
GPIB Interface
General

Options

NameDescription
Option 1 Channel B. Independent Parameter Settings: High/Low Levels, Pulse Width, Pulse Delay, Single/Double Pulse, Normal/Complement.

 

Accessories

NameDescription
Rack mount 19" Single Rack Mounting Kit

 

Note: Options and Accessories must be specified at the time of your purchase.

Download Type
Drivers IVI driver for models 8500 and 8600

Application development environments: MATLAB, LabVIEW, LabWindows/CVI, Visual C, Visual Basic
22/07/2009
Ver. 1.0.7
Download (14.0 Mb)
Data sheet Data Sheet for model 8500 26/07/2006
Ver. F
Download (154.7 Kb)
Manuals Users Manual for model 8500 11/10/2005
Ver. D
Download (4.9 Mb)

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Model 8500
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