single-pole double-throw


Also found in: Acronyms.

single-pole double-throw

[′siŋ·gəl ′pōl ′dəb·əl ′thrō]
(electricity)
A three-terminal switch or relay contact arrangement that connects one terminal to either of two other terminals. Abbreviated SPDT.
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References in periodicals archive ?
If only two signals are involved, the switch can be described in the usual shorthand nomenclature as a single-pole double-throw (SPDT) capable of connecting the DVM--the single pole--to either of the two signals.
Like their larger siblings, reed relays offer three general-purpose contact configurations: normally open single-pole single-throw (NO SPST); normally closed single-pole single-throw (NC SPST) and single-pole double-throw (SPDT).
NYSE:A) today introduced two FET single-pole double-throw (SPDT) solid-state switches for switching RF signals up to 18 GHz.
The HB Series can be specified in single-pole double-throw, momentary or maintained circuits.
The RF1200 is a single-pole double-throw (SPDT) high-power switch that meets all linearity requirements for WCDMA and features low insertion loss, low control voltage and very good harmonic characteristics.
These system-solution switches are Quad Single-Pole Double-Throw (SPDT) video switches.
Upgrading to Class 1 from existing Class 2/3 Bluetooth designs can be as simple as adding the TQP770001, a single-pole double-throw switch and a bandpass filter.
The device is a cost-effective device compared to alternative devices and can be used in instant power-up circuits for USB ports, double data rate (DDR) DRAM memory applications, or other circuits requiring a single-pole double-throw (SPDT) device to switch between a standby voltage and a core voltage rail.
The ISL84684 is a guaranteed break-before-make dual single-pole double-throw (SPDT) switch IC that operates over a 1.
The ISL84714 is a guaranteed break-before-make single-pole double-throw (SPDT) switch, while the ISL84715 and ISL84716 are normally open (NO) and normally closed (NC) SPST switches respectively.
This high-performance IC contains two bi-directional Single-Pole Double-Throw (SPDT) analog switches that can be used as a DPDT switch or a 2:1 differential multiplexer.
This high-performance IC contains four single-pole double-throw (SPDT) analog switches that provide a best-in-class R(ON) of less than 20 Ohms, at +/-5 V and 25 degrees Centigrade, and a best-in-class R(ON) flatness of less than 4 Ohms guaranteed across input voltage and industrial temperature.

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