High Power Combline Filter for Deep Space Applications

Table 4

Specifications and measured parameters of filter F3.

Parameters	Specification	Measured
Frequency (MHz)	2295.5	2295.5
1 dB band-width	100 MHz ± 10 MHz	106 MHz
Insertion loss at   ± 10 MHz	<0.7 dB	0.40 dB
Return loss at   ± 10 MHz	>15 dB	23.5 dB
Rejection at Rx band 2114 ± 10 MHz	>120 dBc	141.0 dBc
Power handling requirement  @2298.48 MHz	185 W	740 W (6 dB margin)
I/P & O/P interface	WR-340 quarter height	WR-340 quarter height