TV Filters - notches; band-stop filters

Band-stop filter CDMA, Band-stop VHF filter, Band-stop UHF filter

This filter eliminates interferences coming from CDMA base stations that influence TV reception, and strong local TV transmiters on VHF or UHF band of course.

Characteristic data Notch-filter CH50 Band-stop filter CH44 Band-stop filter CDMA 462-467 MHz
B- 3dB 14MHz 30MHz 20MHz
B -10dB8MHz16 MHz10 MHz
B -17dB2 MHz 11 MHz7,5 MHz
B -32dB 6,5MHz5 MHz
TypeOD k50KZ k44PZ 462-467
ConnectorsF
Dimension of case (mm)25 x 25 x 2030 x 40 x 2040 x 50 x 20
Price: 15,90 17,90€ 19,90€

Notch-filter CH50 Band-stop filter CH44 Band-stop filter CDMA


TRIPLE NOTCH FILTER
Frequencies you can chose of course, the image is only indicative.
triple_notch_filters triple_notch_filter_uhf
Triple notch filter graph



Low-pass filters
Characteristic data 120MHz 250MHz 450MHz 700MHz
Pass attenuation 1dB 1dB 2dB 2dB
B -10dB131 MHz256 MHz 456 MHz 711 MHz
B -20dB137 MHz 266 MHz 462 MHz 721 MHz
B -40dB146 MHz 274 MHz 475 MHz 745 MHz
TypeLP 120LP 250LP 500LP 700
ConnectorsF
Dimension of case (mm) 50 x 40 x 20
Price 17,90

Lowpass filter450MHz graf-Low-pass filter450MHz
Low-pass filter 450MHz)



High-pass filter for TV reception
This filter eliminates interferences coming from local transmitters VHF low-band and high-band. This may affect TV reception. Limit frequency you can define yourself, and they will be tuned according to your needs. The image is only indicative. When ordering please write if you need DC power pass.
Characteristic data 150 MHz 318 MHz 460 MHz 950 MHz
Pass attenuation-2 dB-2 dB-4 dB-1,5dB
B -10dB120 MHz312 MHz443 MHz905 MHz
B -20dB 95 MHz310 MHz423 MHz855 MHz
B -40dB 55 MHz303 MHz378 MHz768 MHz
Pass attenuationHP 150HP 318HP 460HP 950
Connectors: F
Dimension of case (mm)50 x 40 x 20
Price 16,90

high-pass_filter_470MHz high-pass_filter_470MHz
High-pass filter 470 MHz  



Band - pass and channel filters

This filter eliminates interferences coming from CDMA base stations that influence TV reception and as well as strong local TV transmitters. TV channel you can define yourself, and they will be tuned according to your needs. Frequencies you can chose: Standard ATSC with channel bandwidth 6MHz (CH 14...CH69), or standard DVB-T (DVB-T2) with channel bandwidth 8MHz (CH 21...CH60). VHF band can be done also. The image is only indicative. When ordering please write if you need DC power pass.

Characteristic data 2- cannels filter 3- channels filter 4- channels filter
Insertion loss -4 dB -5 dB -5,5 dB
Type FD-UHF FT-UHF FS-UHF
Dimension of case (mm) 40 x 30 x 20 70 x 40 x 20
Connectors F alebo IEC “televízne"
Price 14,90 € 18,90€ 23,95€


double_channel_filter_uhf uhf_double_filter_schema
Channel filter UHF CH49+CH59


          Jan Jenca   2009