Help ID'ing Items Part Two

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LTCSZ
Posts: 12
Joined: Wed Aug 02, 2017 1:38 pm
Location: Kansas, USA

Help ID'ing Items Part Two

Post by LTCSZ » Mon Aug 19, 2019 10:03 pm

Part Two
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rtlsdrblog
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Re: Help ID'ing Items Part Two

Post by rtlsdrblog » Tue Aug 20, 2019 5:32 am

1) Our broadcast FM block. Blocks the very strong 88 - 108 MHz broadcast FM band, to stop SDRs/radios from overloading.

2) Another broadcast AM block. Similar to our AM HPF from your other thread. Has less blocking, but allows the VLF/LF band to pass.

LTCSZ
Posts: 12
Joined: Wed Aug 02, 2017 1:38 pm
Location: Kansas, USA

Re: Help ID'ing Items Part Two

Post by LTCSZ » Tue Aug 20, 2019 7:33 pm

Thank you so much for ID'ing these little devices. Would you recommend chaining your two filter blocks together to block both AM and FM signals? I have interference from both.He also gave me a 9:1 Balun. Should I use this with a random length wire antenna? Thanks again!

rtlsdrblog
Site Admin
Posts: 2434
Joined: Mon Nov 19, 2012 11:54 pm

Re: Help ID'ing Items Part Two

Post by rtlsdrblog » Fri Aug 23, 2019 1:13 am

If you're only listening to HF, chaining the two together is fine.

A 9:1 balun could help with matching the random wire antennas impedance resulting in better reception.

LTCSZ
Posts: 12
Joined: Wed Aug 02, 2017 1:38 pm
Location: Kansas, USA

Re: Help ID'ing Items Part Two

Post by LTCSZ » Fri Aug 23, 2019 6:15 pm

Thanks again!

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