High Voltage Differential


Also found in: Acronyms.

High Voltage Differential

(hardware)
(HVD) Differential SCSI scheme that has been in use for years. The terminators run on 5 Volts DC.

See also LVD.
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References in periodicals archive ?
Tenders are invited for Dp22kpro, 22kv high voltage differential probe
SCSI-2 also introduced differential signaling methods: High Voltage Differential (HVD) and Low Voltage Differential (LVD).
SCSI-2 differential devices, also known as HVD (high voltage differential) devices, can be connected through an expander to the high-performance LVD SCSI bus.
Two separate IF amplifiers are used; one with a high voltage differential output for CDMA requirements and one with a single-ended output for FM needs.
Limited Tenders are invited for High Voltage Differential Probe As Per Spec No.
Differential, SCSI-2 version, which is now HVD (High Voltage Differential), is obsolete in SPI-3.

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