[time-nuts] Voltage on antennas
mikes at flatsurface.com
Wed Mar 13 19:19:22 EDT 2013
On 3/13/2013 6:40 PM, lstoskopf at cox.net wrote:
> Some of the little magnetic attached antennas on eBay will operate on
> 3-5V. More problematic is using the older antennas which require 5V
> with the newer chips such as the LEA-5,6,7 series which run on 3.3V.
Some distribution amps will all you to inject the voltage you need. I
have an HP 58516A (an inexpensive eBay purchase) which passes the
voltage from port 1 to the antenna. That also powers the amp. So, I put
clean 5 V into port 1, and connect GPS receivers to the other 3.
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