freq. counter s

3 links

40MHz Frequency Counter Module - Design for a very low cost 6-digit frequency counter module using of the shelf components
[ Hits: 2337 | Votes: 5 | Rating: 4.8 ]
Connect a frequency counter to MFJ 9406 - Modification to connect a frequency counter to a MFJ-9406 50 MHz transceiver by ON6MU
[ Hits: 1290 | Votes: 2 | Rating: 5.5 ]
Simple frequency counter - This is an incredibly simple and cheap frequency counter with binary readout, based on the ideas of Onno PA2OHH.
[ Hits: 1537 | Votes: 1 | Rating: 2 ]