AirNav Systems Forum

AirNav RadarBox and RadarBox24.com => AirNav RadarBox and RadarBox24.com Discussion => Topic started by: abcd567 on March 12, 2020, 04:03:36 PM

Title: RadarBox24 1090 Mhz Filter's Performance Tests
Post by: abcd567 on March 12, 2020, 04:03:36 PM

TEST 1:
FREQUENCY SWEEP USING NOISE SOURCE

(https://i.postimg.cc/FKBQtsD9/20200312-010138.jpg)

(https://i.postimg.cc/s2F2kmX6/DVB-T-Generic-Black-Radar-Box24-Filter.png)


TEST 2:
PLOTTING SIGNALS RECEIVED BY ANTENNA (with & without filter)

Method used is detailed in this thread:
Do I Need A Filter? (https://forum.radarbox24.com/index.php?topic=10691.0)

SCAN-1: WITHOUT FILTER (Antenna connected directly to DVB-T)

SCROLL RIGHT TO SEE FULL IMAGE
(https://i.postimg.cc/jq9C6RTY/dvbt.png)




SCAN-2: WITH FILTER (Antenna connected to DVB-T Through Filter)

(https://i.postimg.cc/NfHFpZG9/dvbt-rb24-filter.png)