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  • pe1pwf's Avatar
    11-04-2019, 07:36 PM
    pe1pwf replied to a thread Bat detector in Audio Projects
    Last evenings of busy bats, bad computers and struggling with Kicad. I think this sums up most of the activity here. My computer stared acting up telling me not to shut down but configuring stayed at 100% and did...
    531 replies | 38805 view(s)
  • pe1pwf's Avatar
    10-12-2019, 09:18 PM
    pe1pwf replied to a thread Bat detector in Audio Projects
    Maybe people think we might still be struggling to get the device working properly. This is not the case, we are just looking to get it to work even better than it already does. The next path was investigating how...
    531 replies | 38805 view(s)
  • pe1pwf's Avatar
    10-07-2019, 09:00 PM
    pe1pwf replied to a thread Bat detector in Audio Projects
    Well, here we are again finally a bit of hobby time. Unfortunately it is wet and cold so no bats to play with and for testing we only have our digital pet-bat in a noisy in house environment. I built the...
    531 replies | 38805 view(s)
  • pe1pwf's Avatar
    09-25-2019, 06:12 AM
    pe1pwf replied to a thread Bat detector in Audio Projects
    aethertech Sorry some parts went missing... I also tried to put the part numbers back where they came from. I guess it should look like this... vcc/2 was not used anywhere else
    531 replies | 38805 view(s)
  • pe1pwf's Avatar
    09-24-2019, 08:29 PM
    pe1pwf replied to a thread Bat detector in Audio Projects
    Well I do hope your 1000 words are all in this picture.... Probably missed something.... I don't like the 2k resistors by the way, I have all E12 resistors so 2k2 would have suited me better :-) Please let me...
    531 replies | 38805 view(s)
  • pe1pwf's Avatar
    09-24-2019, 06:43 PM
    pe1pwf replied to a thread Bat detector in Audio Projects
    Hi aethertech, the signal source is a cheap 60mhz yunec DDS signal generator. JDS6600 R1 and C2 are not used, C1 and C3 are small velues to help keep all the low frequencies out. I know this is not the best way to...
    531 replies | 38805 view(s)
  • pe1pwf's Avatar
    09-23-2019, 07:36 PM
    pe1pwf replied to a thread Bat detector in Audio Projects
    Thank you for the nice pictures Cor. I hope I can show the effects of VAG setting with a few Audacity screenshots. It will show it is hard to know when the system gets saturated because the signals differ quite a...
    531 replies | 38805 view(s)
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About pe1pwf

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About pe1pwf
Location:
Netherlands
Interests:
Ham radio / electronics
Occupation:
Mechanical and electrical service tecnician

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Bat detector 11-04-2019 07:36 PM
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11-04-2019 07:36 PM
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11-11-2018