Eia Low Pass Filter; Features - Hitachi E-Compact High Power Series Operation Manual

3.4. EIA Low Pass Filter

RF IN
The Low Pass Filter is installed between the Power Amplifier Drawer RF Output and the Mask Filter,
attenuating unwanted harmonic products so that they do not return as reflected wave to the PA.

3.4.1. Features

Low Pass Filter
MOD 40243
Model
EC701HP-BB3
Use to
EC702HP-BB3
Operation 470 to 608MHz - CH14 to CH36
Frequency
Connector /
1-5/8" EIA / 50
Impedance
Max Power 3300 Watts
Return Loss
Insertion Loss
Second Harmonic
Attenuation
RF IN
Low Pass Filter
MOD 40243
MOD 40243
MOD 40055
MOD 40055
EC703HP-BB3
EC704HP-BB3
3-1/8" EIA / 50
5500 Watt
-26dB (min)
-30dB (typical)
-0.06dB (max)
-0.05dB (typical)
Better than -30dB
RF OUT
EIA Equipment
1 – 5/8" EC701HP-BB3
1 – 5/8" EC702HP-BB3
1 – 5/8" EC703HP-BB3
E-Compact HP-BB3 Series
RF OUT
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