HL Series Helical Cavity Filter
Frequency range:30~500MHz
Features
Cavity structure, option frequency: 30~500MHz
Typical 0.05dB Chebyshev response
Sections 2~4 or more
% 3dB Bandwidth 1%~10%
Maximum VSWR 1.5:1 (Typ)
Optimized structures for custom requirement
2×Fc parasitic passband or more
Specification
Series HL
Freq(MHz) 30 -500
BW/F0×100% 1%-5%
VSWR ≤1.5:1
parasitic passband 2×F0
Power Handling 5W Typ
Impedance 50 Ω
Sections 2-6
Operating Temperature -55~+85℃