Difference between revisions of "Phone connector"

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{{Infobox connector
 
{{Infobox connector
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| image = [[File:Phone connector.jpg|300px]]
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| caption = right angle 3.5mm and straight 6.35mm 3 contact Phone connectors
 
| type = audio connector
 
| type = audio connector
  

Revision as of 10:30, 14 April 2017

Phone connector
Phone connector.jpg
right angle 3.5mm and straight 6.35mm 3 contact Phone connectors
Type audio connector

A Phone connector is a round jack based connector that is widely used on amateur radio equipment for audio connections as well as other purposes. the name originates from its original use in telephone switchboards in the 19th century.

Characteristics

Mechanical

The phone jack comes in several sizes and configurations, common sizes are 2.5mm (3/32in), 3.5mm (1/8in), and 6.35mm (1/4in) these are available with different numbers of contacts usually from 2 to four.

Common Pinouts

The following pin outs use the Tip Ring Sleeve terminology where the tip is the conductor at the front of the connector and the sleeve is the rearmost conductor. Where one or more rings are used these are listed in order from front to back.

Audio

The Phone connector is often used for audio connections in both the 3.5mm and 6.35mm combinations.

Stereo Audio

DiagramDetails
3.5mm jackIDnamedescription
TipLeftLeft Channel Audio Signal
RingRightRight Channel Audio Signal
SleeveGNDGround


Mono Audio

DiagramDetails
3.5mm jackIDnamedescription
TipSignalAudio Signal
SleeveGNDGround


Morse Key

The majority of radios use a phone connector for morse key connections this is usually a 6.35mm connector but some radios use the 3.5mm version

Straight key

DiagramDetails
3.5mm jackIDnamedescription
TipKeyKey switch connection, connected to ground when key is pressed
SleeveGNDGround


Note: some radios use the ring connection for PTT or other purposes, when a 2 pin key is used this causes that connection to be shored to ground when the key is plugged in.

Paddle key

DiagramDetails
3.5mm jackIDnamedescription
TipDotDot switch connection, connected to ground when key is pressed
RingDashDash switch connection, connected to ground when key is pressed
SleeveGNDCommon Ground