2xBLF188XR HF-LINEAR

2xBLF188XR HF-linear

BLF188XR project is started!

I get PCB's 

 

blf188_pcb1.jpgblf188_pcb2.jpg



RF-unit schema

LPF-Unit schema

Control-unit schema

Display/band selection

RTX-relay and ALC

Combiner 2 kW

 

 

 

 

BLF188XR module

 BLF188XR_1.jpg 

SMD components on the board

2016-06-12_16.37.26.jpg

SMD and Transformers


BLF188XR_2.jpg

 Ready 1 kW pallet

  

blf188xr_3.jpg

 Measuring gain with VNA

 

blf188xr_4.jpg

 

Setup for gain measurement

 

 

blf188xr_5.jpg

Minimium gain 23 dB between 1 MHz to 60 MHz

 

 

  2015-10-16_18.56.05.jpg

Two pallet on the heat sink with old combiner.

 

2015-10-09_17.23.12.jpg

1,5 kW:n RF module with heatsink

No, I dont drink Sinol, its good staff for drilling aluminium! (ethanol)

 

 

 fischer_sk458300.jpg

Fischer SK458.300 heatsink data

 

 2015-10-17_20.31.50.jpg 

Very first test to dummy load

 

2015-10-17_20.32.47.jpg

Almost 1,5 kW out!

 

2015-11-24_19.14.46.jpg 

 Heatsink and fans

 

2016-03-20_09.36.44.jpg

 Control board and power supply

 

2016-03-20_09.38.05.jpg

LPF + SWR-bridge + TRX-relay 

 

 

2015-12-31_15.43.14.jpg

More powerful combiner.

 

2016-01-05_15.31.22.jpg

1,5 kW on 20 m

 

 

 Next sand blast and painting

DSC_0970.jpg

 After abrasive blast and painting

 

 

 

 

Thanks www.w6pql.com