Bandpass spiralfilter

Bandpass Helical Filter SMA for 230Mhz from 220Mhz to 240Mhz

Frekvens: 220～240MHz
inlänkningsdämpning: ≤1.2dB
Return förlust: ＞15dB
Out-of-band suppression: ＞90dB@ 335～345MHz
Connector: SMA-K
Mått: 99×37×21mm
As shown in the figure

Bandpass Helical Filter SMA for 250Mhz

 

In the test table above, yellow represents standing wave, blue represents insertion loss, pink represents insertion loss from 2 till 1, and green represents standing wave from 2 till 1.

Bandpass Helical Filter SMA for 330Mhz

Bandpass Helical Filter SMA for 737Mhz from 734-741Mhz

Arbetsfrekvens: 733～741MHz
inlänkningsdämpning: ≤1.2dB
Inombands fluktuation: ≤0,5dB
Return förlust: ≥15dB
Out-of-band suppression: ≥40dB@Fo±40MHz
Power handling: ≤10W
Connector: SMA-KFD