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Janice Carter, University of Cambridge

The person in WPI I deal with is Julian Williams and he has been very helpful in sorting out any problems we may have and finding items that we require. He is very pleasant to deal with and I have used WPI for the last 8 years and I am very happy with the service that they provide us.
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A310

A310

Accupulser Signal Generator

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Overview

A310

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A310 Instruction Manual
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  • The accuracy of digital electronics with the convenience of analog controls

Features

A pulse generator/stimulator combining the reproducibility and accuracy of digital electronics with the fine resolution and continuous adjustment possible with analog circuitry. All timing parameters are entered with ten-turn readable potentiometers and six-position range switches. Outputs are accurate to within 1% of the set value.

Pulses

Pulses can be created in continuous run, single-shot, or train/burst modes. Duration of the train/burst is easily controlled using the onboard envelope generator or by using either of two external gating inputs. Used in conjunction with the A360, A365, A385, or A395, bipolar pulses or trains may be easily produced. Output stimulus can be fed through Intra 767 or Duo 773 for iontophoresis. Footswitch allows hands-free operation.

Three separate outputs

Three separate outputs are available on the front panel. A Monitor output provides 10-15 V signals (up to 50 mA) for viewing the output on an oscilloscope or for controlling other devices. The stimulator’s signal, simultaneously available at the Isolator output, is sufficient to drive any WPI A300 Series stimulus isolator (A360, A365, or A385) and is also TTL and CMOS compatible. The Variable output can provide signals varying between ±10 V with a resolution of 1 mV. Separate variable outputs are provided for positive and negative signals.

Specifications

TIMING PARAMETERS: EVENT INTERVAL 100 microseconds to 1000 s*
TIMING PARAMETERS: EVENT DELAY 10 microseconds to 100 s *
TIMING PARAMETERS: PULSE WIDTH 10 microseconds to 100 s *
TIMING PARAMETERS: TRAIN DURATION (ENVELOPE) 100 microseconds to 1000 s*
TIMING PARAMETERS: PULSE INTERVAL 20 microseconds to 100 s*
OUTPUTS: SYNC 5 microseconds , TTL, and 5 V CMOS compatible, 20 mA max.
OUTPUTS: MONITOR 10-15V, 50mA max.
OUTPUTS: ISOLATOR TTL & 5V CMOS compatible, 20mA max.
VARIABLE (Pos or Neg): PULSED/DC LOW RANGE HIGH RANGE
VARIABLE (Pos or Neg): Range 0 to ±1V 0 to ±10V
VARIABLE (Pos or Neg): Resolution 1mV 10mV
NOISE: Pulsed at 100 kHz bandwidth < 500uV
NOISE: DC Wide Band < 500uV
OUTPUT IMPEDANCE   
INPUTS: EXTERNAL SYNC Accepts 1-microseconds minimum pulses TTL, CMOS compatible
INPUTS: EXTERNAL GATE Accepts 1-microseconds pulse to continuous TTL, CMOS compatible
POWER 95-130V or 190-260V, switch selectable single phase, 50/60Hz
DIMENSIONS 17 x 5.25 x 10 in. (43 x 13 x 25 cm)
SHIPPING WEIGHT 14 lb. (6.4 kg)

NOTES *Continuously variable in six ranges. All accuracies better than 1% of set value. 50kHz maximum pulse frequency.

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GlaxoSmithKline
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