Dutch ATV-Station PE1DWA

Experimental  QRV on 6 cm FM ATV
New addition power amplifier for 6 cm ATV .Output 10 Watt

Homemade transmitter

Exciter a tuned oscillator with  BFR 91,(pll.controlled) frequency 1140 MHz,next 3 times  BFR 91 and BFR 96, with transistor BFQ34 A in the final stage ,output ca 500 mW,extra an attenuator  ca 10 dB, next a multiplier from Estec, output ca.3mW on 5700 MHz. 

 then an  Microwave Amplifier Ferranti  0-100 mW and final an Power Amplifier, Avantek 10 Watt.

Antenna a  60 cm Parabolic- Antenna ,gain  ca. 26,5 dBi

Solid State Amplifier 6cm. Power ca. 8 Watt
Exciter 1140 MHz .Output 500 mW Ferranti Microwave  Amplifier  4,5-8GHz. 0-100 mW Shack
 6 cm Multiplier from Estec. Complete Exciter 1140 MHz. Output  500  mW  60 cm Parabolic Antenna
Theory and working  TWT
First recieving from Jan (PDØHNI) on  6 cm FM-ATV  ( 5670MHz. )  on  Juni 17 and July 1  2005

Equipment for 6 cm FM-ATV (5670MHz.) :    

Receiving end  : 60 cm parabolic-antenna, gain ca 26 dBi  6 cm convertor from  DGØVE  LO :4,7 GHz. ( variable) NF :0.94  dB  next a satellitereceiver  960-2250 MHz.

Picture quality  P5, Sound  Q 5  on  6.0  MHz

 

Shack Spectrum-Monitor from  PE1PYT 1-7-'05  
 6cm TWT Max.Output 10 Watt  Siemens TWT, Type  RW85, 5700 MHz. Testcard
Horn-Antenna for  6 cm Band  Spectrum FM-ATV on 5670 MHz