AUDIO PEAK CLIPPER BY JOHN BURGER $6.00 QST Nov97 SIX CHANNEL DISTRIBUTION AMP ... MILLER $4.50 QST Dec94 SPENCER 1 W AF AMPLIFIER $4.50 QST Dec91 QUALITY DESK MIKE $4.00 ... ) $4.00 QST Oct83 A TUNABLE CW FILTER $6.00 R.CROWLEY COMCLONE 2 BY CROWLEY $9.00 ... , DISCHARGES, AND CHARGES NiCd CELL $6.00 PACKS, USES THE MAX713 AND LM3914 ICs ... IC (MAX713 IC IS AVAILABLE FOR $10.00) $6.00 73s Nov93 SOLAR CONTROL-AR $4.00 73s ... $7.75 ARRL HB 88-94 CHP27 FIG 58 AA6PZ POWER CHARGER $5.25 ARRL HB 88-94 CHP27 FIG ... 61 CONTROLLED BATTERY CHARGER (Dec 82 QST ... ) $5.75 ARRL HB 92 CHP27 FIG 66 GELLED-CELL BATTERY CHARGER WITH UC3906 ... HELPER BY K3YWY $5.50 CQ VHF Aug97 25 AMP 12 MOSFET POWER SUPPLY BY K3YWY $5.50 ... NUTS VOLTS Feb96 NICAD BATTERY ZAPPER $6.00 QST May01 A LEAD ACID BATTERY CHARGER ...
STANDALONE DDS FREQ CONTROL $6.75 73s May94 UNIVERSAL VFO IN CARRS CORNER ... $6.00 73s Mar94 TW-1 THIMBLE WELSH DDS VFO ... $5.50 ARRL W1FB QRP NOTEBOOK TWO CHANNEL BFO (FIG 5-16) $4.50 ARRL W1FB QRP ... 1991VARIABLE FREQUENCY OSC (FIG. 3-14) $6.25 ARRL QRP CLASSICS A BEGINNERS LOOK AT ... AND A VVC TUNED 40M VFO (QST 9/7) $6.50 ARRL QRP CLASSICS A VFO WITH BANDSPREAD ... STABILITY FOR L-C OSCILLATORS $6.00 QRPp THE CB SLIDER VFO BY MUSCOLINE $5. ... APPLICATION AND A VVC-TUNED 40M VFO $6.50 POWER SUPPLIES Publication Reference ... CONVERTER $4.50 73s May93 EXPERIMENTERS POWER SUPPLY $7.00 73s Mar92 THE LAPPACK ... POWER SUPPLY $7.50 73s Oct90 DUAL VOLTAGE ... SUPPLY $5.85 HOMEBREW FALL 03 UNIVERSAL POWER SUPPLY BY WA2DJN $7.00 ARRL HB 96 28 ... VOLT HIGH CURRENT POWER SUPPLY (PS AND CROW BAR BOARDS $8.00 ...