# Sample and Hold

**URL:** <https://www.ruby-forum.com/t/sample-and-hold/241998>\
**Category:** GNU Radio\
**Created:** [May 19, 2015, 3:48pm UTC](https://www.ruby-forum.com/t/sample-and-hold/241998 "2015-05-19T15:48:29Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![musicdenotation](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/ea666f/32.png) [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Post date:** [May 19, 2015, 3:48pm UTC](https://www.ruby-forum.com/t/sample-and-hold/241998/1 "2015-05-19T15:48:29Z")

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Hey, guys.

Plase, can anyone say how to use the “sample and hold” block? Which  
block do I have to use to connect to its control input?

Thanks a lot.