AEA LA-30 HF Linear Amplifier, operating manual & schematic……………………….…..V12-Feb-2010

AMERITRON AL-811H modifications...............................................................................V15-Jul-2020  

BLF188XR HF amplifier, een  a linear amplifier with  50 V LDMOSFET...................……...V30-Sep-2020  

Dentron Clipperton L modification

Dentron GLA-1000 conversion, modification with 4 × PL-519 or 2 × GI-7B…………….V23-Aug-2015

Determine power of a transformer…..................................................................……….V23-Dec-2019

EL519 Linear FRINEAR-150, for QRP-transceivers, 1 × PL/EL519 (or QQE06/40?).…..V01-Dec-2021   

EL519 Linear FRINEAR-400QSK, 400W, 3 x PL/EL519……………………….………………...V14-Jan-2018  

EL519 Linear FRINEAR-400, 400W, 4 x PL/EL519…………………………………….………...V06-Feb-2013

EL519 Linear FRINEAR-400PG, 400W, 4 × PL/EL519 (passive-grid) …………………...…V15-Aug-2019   

GU43B (Q-1P/42) HF Amplifier FRINEAR-1500, 1500W using Russian ...........……….…..V26-Jul-2016  

Heathkit SB-200 modifications…………………………………………………………….……..…V28-Mar-2012

Heathkit SB-230 modification………………………………………………………..…...………….V24-Jul-2005

HV Supply 1300V & 2200V…………………………………………………………..….…………..V04-Aug-2008

Kenwood TL-922 modifications …………………..…………………….……………………………..V30-Jul-2017  

Reconditioning tubes …………………..……………………………….…………………….…….…..V18-Jun-2022     

RF-AMP-2078, "manual" for a Chinese RF amplifier kit ……….…………………….…….…..V22-May-2017   

RM Italy HLA 300 , a close survey of the amplifier…….………………………………..….…V16-Oct-2016  

Transistor HF Amplifier, Linear using VHF transistors……………………………………..…..V6-May-2007

TB3/750 Linear FRINEAR-750, 400-750W with various triodes/tetrodes ………….…..V03-Mar-2009

Yaesu FL-110 modification for FLEX-1500…….….......................................................….V18-AugJ-2017  

Yaesu FL-110 manual, redrawn schematic…….….......................................................….V18-AugJ-2017  

Yaesu FL-2100Z modifications(fuse, grounding, flash over protection)…………….…….V04-Sep-2023

 Hier vindt u info over lineaire versterkers met buizen of transistors.

AMERITRON AL-811H modificaties, ............................................................................…....V15-Jul-2020  

BLF188XR HF versterker, een lineaire versterker met een 50 V LDMOS transistor……...V02-Sep-2020  

Dentron GLA-1000 modificaties, ombouwen met 4 × PL519 of 2 × GI-7B…………………...V22-Nov-2013

EDL144 2m QQV06/40A Lineair, van Engels fabrikaat..……………………………………..……V18-Oct-2013 

EL519 HF Lineair FRINEAR-150, voor QRP-set, 1 × PL/EL519 (of 1 × QQE06/40?)..………V01-Dec-2021   

EL519 HF Lineair FRINEAR-400, 400W, 4 x PL/EL519………………………………………………V06-Feb-2013

EL519 Lineair FRINEAR-400PG, 400W, 4 × PL/EL519 (passief rooster systeem………...…V15-Aug-2019   

GU43B (Q-1P/42) HF linear FRINEAR-1500, 1500W uit met Russische tetrode ...........…...V26-Jul-2016

Heatkit SB-200 modificaties…………………………………………………………………..…..…....V28-Mar-2012 

HF Lineairs, algemene informatie over lineaire HF versterkers met buizen.……….…….….V20-Nov-2010

HF PA met VHF transistors…………………………………………………………………………...…..V6-Mei-2007

HF PA TIPS weergave van een lezing op de 32ste HF Dag in Apeldoorn………………...…..V28-Sep-2012 

HV-voeding (HV supply)…………………………………………………………………………….……V22-Feb-2009

Kenwood TL-911 modificaties……………………………………………………………………….…..V04-Jun-2009

Kenwood TL-922 modificaties…………………………………………………………………..……....V30-Jul-2017

PU250 een HF PA met 2 × EL509 door YO6PIR gebaseerd op FRINEAR-150………….....…..V30-Oct-2012 

ON6WJ's HF PA met 6 × EL519 .....................................................................………….....…..V30-Oct-2012 

RM Italy HLA 300, deze HF versterker nader bekeken……………………………………..….…V16-Oct-2016  

TB3/750 HF Lineair FRINEAR-750, 750W, universeel, met diverse triodes/tetrodes…...…V26-Jul-2016  

VHF PA, passief roosterschakeling met QQE06/40, ontwerp idee……………………….……..V10-Feb-2009

Yaesu FL-110 manual, schema overgetekend…….….......................................................….V18-AugJ-2017  

Yaesu FL-110 modificatie voor FLEX-1500..……….….......................................................….V18-AugJ-2017  

Yaesu FL-2100Z modificaties zekering, aarden, flash over bescherming etc………….…….V04-Sep-2023  

Vermogen (VA) van een trafo uitzoeken........................................................……………....V15-Jan-2016

Voeding 1300V voor o.a. FRINEAR-150, FRINEAR-400 and FRINEAR-400PG………………....V22-Sep-2007

Zendbuis reactiveren: of reconditioneren …………………………………………..……………...V18-Jun-2022  

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