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9732 Parallel Configuration for Increased Current Output

NOTE: If the proper diodes are not implemented (outlined below), damage may occur resulting in a void of

warranty. If in doubt, contact Quantum Composers for additional information.

Scope:

This document overviews the basic theory and operation pertaining to wiring output channels A & B in parallel for

the purpose of increasing output current.

Theory:

The 9732 Series Current Generator allows for the outputs on Channels A & B to be wired together in a parallel

configuration; thus, potentially allowing for current levels up to 12 Amps through the load. This can be

accomplished ONLY with the implementation of 2 external blocking diodes. When operating in this mode, the

limitations on each channel remain constant; although, the current settings will now be additive through the

load. The user may also incorporate a “piece-wise” current waveform by properly altering the pulse widths and

delays.

The following example setup represents the potential capabilities of this configuration:

Channel Parameters

Load Parameters

Diode Characteristics

CHA: Amplitude = 5 Amps

Impedance ≤ 3 Ω (includes cabling)

Forward Voltage Drop ≤ 1V

CHA: Width = 0.0001000 s

Reverse Voltage Breakdown ≥ 30V

CHA: Delay = 0 s

DC Current Rating ≥ 30A

CHB: Amplitude = 5 Amps

CHB: Width = 0.0001000 s

CHB: Delay = 0 s

Figure 1- Parallel Schematic Representation Figure 2 – Resulting Current Waveforms

1 2 3 4 5 6

Sommario

Pagina 1 - Theory:

9732 Parallel Configuration for Increased Current Output NOTE: If the proper diodes are not implemented (outlined below), damage may occur resulti

Pagina 2 - Implementation:

Implementation: The figure shown below represents the recommended wiring to achieve the parallel configuration. Note that the blocking diodes are

Pagina 3 - Limitations:

Limitations: Due to internal power supply limitations, the total current may not exceed 12A regardless of the load’s impedance. If the channels a

Pagina 4 - Operating Results:

Operating Results: The following tests show results upon wiring channels A & B in parallel. It should be noted that on all 3 tests, the volta

Pagina 5

Test 2 Channel Parameters CHA: Amplitude = 5 Amps CHB: Amplitude = 5 Amps

Pagina 6 - Test 3 – Piecewise Waveform

Test 3 – Piecewise Waveform Channel Parameters CHA: Amplitude = 3 Amps CHB: Amplitud

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