EDN

Single pole double throw (SPDT) switch

The SA630 is a wideband RF switch fabricated in BiCMOS technol-ogy and incorporating on-chip CMOS/TTL compatible drivers. Its primary function is to switch signals in the frequency range DC -1GHz from ...
Electronic Design

Single-Pole,Triple-Throw Switch Replaces Two SPDTs

Handheld devices, mobile phones, MP3 players, PDAs, notebooks, and other portables can now take advantage of the FSA3357 single-pole, triple-throw (SP3T) CMOS analog switch. The single 3:1 multiplexer ...
EDN

Double Pole Single Throw DPST Relay

The Double Pole Single Throw DPST relay is the equivalent of 2 SPST switches (NO Normally Open and NC Normaly Closed) and can be used to switch 2 different loads. As you can see in the schematics ...
Machine Design

Basic switch configurations and symbols

These designations spell out the number of contacts and how they behave during operation. For instance, a basic on/off light switch is an example of a single-pole (i.e., one-circuit) single-throw (i.e ...