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

Dentron Clipperton L modification

Dentron GLA-1000 conversion, modification with 4 × PL-519 or 2 × GI-7B……………..V28-Feb-2009

EL519 Linear FRINEAR-150, for QRP-transceivers, 1 × PL/EL519 (or QQE06/40?).…..V18-Dec-2012 

EL519 Linear FRINEAR-400QSK, 400W, 3 x PL/EL519……………………….………………...V07-Dec-2011

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

EL519 Linear FRINEAR-400PG, 400W, 4 × PL/EL519 (passive-grid) …………………...…V01-Mar-2009

GU43B (Q-1P/42) HF Amplifier FRINEAR-1500, 1500W using Russian ГУ-43Б…………..V16-May-2009

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 …………………..…………………….……………………………..V17-mar-2013

Reconditioning tubes …………………..……………………………….…………………….…….…..V23-Apr-2013

RM Italy HLA 300 , a close survey of the amplifier…….………………………………..….…V23-Jun-2008

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-2100Z modifications(fuse, grounding, flash over protection)…………….…….V06-Jun-2010

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

Zendbuis reactiveren: of reconditioneren …………………………………………..……………...V23-Apr-2013

Dentron GLA-1000 modificaties, ombouwen met 4 × PL519 of 2 × GI-7B…………………...V28-Feb-2009

EL519 HF Lineair FRINEAR-150, voor QRP-set, 1 × PL/EL519 (of 1 × QQE06/40?)..………V17-Dec-2012 

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

EL519 Lineair FRINEAR-400PG, 400W, 4 × PL/EL519 (passief rooster systeem………...…V26-Mar-2010

GU43B (Q-1P/42) HF linear FRINEAR-1500, 1500W uit met Russische tetrode ГУ-43Б…..V16-Mei-2009

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…………………………………………………………………..……....V17-mar-2013

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

RM Italy HLA 300, deze HF versterker nader bekeken……………………………………..….…V21-Jun-2008

TB3/750 HF Lineair FRINEAR-750, 750W, universeel, met diverse triodes/tetrodes…..…V11-Mei-2010

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

Yaesu FL-2100Z modificaties zekering, aarden, flash over bescherming etc………….…….V06-Jun-2010

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