Monthly Archives: December 2012

“A homebrew vacuum tube power supply” 「自作真空管電源」

2012/12/09                    日本語は下にあります。     ve3cgc@hotmail.com   “A homebrew vacuum tube power supply”  「自作真空管電源」 真空管電源   My first tube QRP transmitter using 6AQ5 was homebrewed in 2004.  It generated 2watts and reached France on 20m.   The parts for tube transmitters were hard … Continue reading

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“A 2E26 HF linear amplifier” 「2E26 QRP アンプ」

2012/12/01             日本語は下にあります。 ve3cgc@hotmail.com “A 2E26 HF linear amplifier”  「2E26 QRP アンプ」 2E26 HFamp I built the Michigan Mighty Mite (MMM), one transistor QRP, generating 300mW of power and once in a while I needed more power.  So I tried to homebrew a QRP … Continue reading

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