LPF low pass filter 1.5kW 1.8-54 MHz amplifier BLF188 BLF188XR SD2933 VRF2933

Description

LPF1500 allows you to filter the power to 1500W PEP.
All of filters are for 50 ohm.
Similar  HL1.5Kfx - Tokyo Hy-Power, Ameritron ALS1300 .
For switching filters applied powerful relays with a current capacity 16A.
LPF1500, the filter switching is implemented with 2 options:
1. to ground one of 1-7 contacts XS1
2. +5-12v to 1-7 contacts XS2
LPF1500 ideally suited for amplifier MOSFET, LDMOS transistors (4x VRF2933, 4x SD2933, 2x EB-104, BLF188, BLF578) for power 1-1.5kW.
Possibilities demonstration of PA Unit 4x VRF2933 + LPF600. Filters LPF1500 made similar LPF600, without protection circuits and SWR meter, see link => dn-radio.com