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Global Specialties 4001 Pulse Generator
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Features:
- Independent settings of pulse width & spacing
- Outputs from 0.5 Hz to 5 MHz
- Four modes: run, triggered, gated, one-shot
- Symmetrical square wave outputs
- Complement output - inverts waveforms
- Variable output for CMOS circuits
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The Model 4001 Ultravariable Pulse Generator is uniquely designed to permit precise tailoring of pulse repetition
rates and duty cycles over a wide range through the independent setting of pulse width and pulse spacing. Both pulse width and pulse spacing are
continuously variable over seven decade ranges from 100ns to 1s, with outputs from 0.5Hz to 5MHz. Its uncomplicated, rugged design and high quality
components help ensure long and dependable service.
Key Features:
Features include two simultaneous independent outputs (TTL and variable) with rise and fall times less than 30nsec, 20nsec TTL compatible leading-edge
sinc pulse output, and independent pulse width and pulse spacing controls (both selectable from 100nsec to 1sec). Four front panel push-button selectable
operating modes with one-shot push-button can be used to produce pulse train or enable a single output pulse. Pulse duration is determined by width control.
All these features plus an uncomplicated front panel layout all add up to an effective solution to a wide range of pulse source problems.
Applications:
The 4001 pulse generator with its many features and ease of operation make it a welcome addition to any lab. Some of the varied uses for the 4001 are as a
missing pulse detector, tracing digital logic flow, analyzing microprocessor programs, or testing radio control receivers. The 4001 can also be used in audio
testing and for many other applications requiring a precision pulse source.
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| Model |
Description |
List Price |
Sale Price |
| 4001 |
0.5 to 5MHz Pulse Generator, Part No. 105-4001 |
$274.95 |
| $239.21 |  |
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Specifications:
INPUT:
Trigger/Gate, DC couples, BNC connector, TTL compatible <10MHz, max. input ±10Vpk
Impedance: 400 ohms
Sensitivity: Pulses: >40nsec wide, >2.4Vpk or sine wave >1.7Vrms.
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MODES:
Run: 0.5 Hz to 5MHz continuous output pulse train; pulse width, spacing independently variable 100 nsec to 1 sec with 10:1 verniers over seven decade ranges, accurate ±5%, calibrated at min., max. settings; jitter under 0.1% ±5psec.
Trig: Pos edge of Trigger input, DC to 10MHz, crossing 1V threshold triggers single pulse, width determined by Pulse Width controls.
Gate: Output pulse train occurs synchronous with rising leading edge of Gate input, continues while gate is high, last pulse when gate goes low completes. May also be activated manually with one-shot momentary push button.
One-Shot: Single pulse, width determined by Pulse width controls, occurs synchronous with manual activation of one-shot momentary pushbutton.
Square wave: In any mode converts output to symmetrical square wave with period equal to twice the sum of the pulse width and pulse spacing control settings.
Complement: Inverts the output; Sync out leads falling rather than rising edge.
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OUTPUTS:
3 outputs, DC coupled, BNC connector.
VAR Impedance: Constant 50 ohms
VAR Amplitude: 0.5-10V into open circuit, 0.25-5.0V driving 50 ohms, variable with Amplitude control, rise/fall time less than 30 nsec.
TTL Drive: Standard TTL levels, buffered to drive up to 40 TTL loads, rise/fall time less than 20 nsec.
SYNC: +2.4V (TTL compatible pulse, buffered to drive min. 10 TTL loads).
SYNC Timing: 20 nsec pulse width, leads main outputs by >20 nsec, rise/fall less than 20 nsec.
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CONTROLS:
Pulse spacing range switch and vernier, Pulse width range switch and vernier, Power, 4 Mode switches, Square wave, Complement, manual one-shot momentary pushbutton.
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GENERAL:
Power: 105-135 VAC, 57-63 Hz, 6VA max (215-250 VAC, 50-60 Hz version available).
Dimensions: 3²H x 10²W x 7²D (76 x 254 x 178 mm)
Weight: 2.2 lbs. (1.0 kg)
Op Temp: 0-50°C (calibrated at 25°C±5%).
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