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Results tagged with rf
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user 15639
Short for Radio Frequency, i.e. frequencies at which radiation (intentional or not) plays a role. Typically associated with wireless communications, but also relevant for high-speed PCB design.
1
vote
Addressable low power radio
To answer your question:
"Are there Tx/Rx ICs I could use which power off until a signal is received"
No not really: receivers are "high power" devices. Even the lowest power receivers will use mAs …
- 972
4
votes
Accepted
Chip antenna layout
You can make a small antenna "act" larger with a shorting pin. This trick is commonly used in small patch antennas.
If you take a patch antenna that is normally say 5-ish GHz you can cleverly place a …
- 972
9
votes
Accepted
Low-power wireless module strategy
I have open source and open hardware sensor that would give you a working starting point: it is internet connected and transmits its temperature, humidity, and battery voltage every two minutes an wil …
- 972
3
votes
Chip antenna mounting considerations
It's probably a tuning loop or another structure that makes the small chip antenna act "slower" than it really is (i.e. forces it to operate in the 868MHz mode rather than a faster mode). Dropping it …
- 972