"72" CLASSIC: MY EARLY TEN TEC QRP EQUIPMENT

Note: (2004.02.15) The article below was written in 1999. Since that time, I have sold one of the powermites, and acquired a few accessories. As time permits I hope to Update this, with information on my "72 in '72" Powermite Station display. 72 de VE3JC

It started at a fleamarket about 1989 - an obviously broken, disassembled radio in a mouse-chewed ten tec box stuffed with a 1972 newspaper. Although I'd already been interested in QRP for a decade (and had a Century 21 as my first "brand new" rig), I'd never heard of the Ten-tec "Power mite" transceivers. The PM2 that I purchased a decade ago sat neglected on my shelf until I got around to restoring it last year. With a "check in" to the Knight lites net, the rig was alive again, after a quarter century off the air. In the mean-time, I've acquired several accessories, schematics, and two PM3A rigs of slightly different vintages. (I think that Ten Tec must have been constantly switching their parts suppliers and making other changes during the production life of the Power mite series, resulting in same-model power mites having different appearances / circuits. For example, the original PM1 and PM2 were supplied with discrete boards, but my PM2 has a single circuit board).

Power-mite 2

Front View

"Under the Hood" from Front

Top View

Power-mite 3a (Similar knobs & capacitors to PM2)

Front View

"Under the Hood" from Front

Top View

Power-mite 3a (Silver knobs)

Front View

"Under the Hood" from Front

Top View

Power-mite Ads from "The Milliwatt" vol.1 no.1, Feb. 1970

"Ten-Tec" Power-Mite Transceivers

MX1, AA1, VO1, TX1 Boards

ACCESSORIES

AC4 SWR BRIDGE Front View

AC4 SWR BRIDGE Rear View

AC5 TUNER Front View

AC5 TUNER Rear View

Please write if you have any questions, require a schematic, or would like a sked with a classic QRP rig. I intend to build a proper transit case, so I can make this stuff available for "hands on" use at QRP meetings.

I will add information and links to other PM-friendly sites as I get time.

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