K0BRA/AMRAD Active Antenna Parts List

( ) C1¾ 68 pfd ceramic capacitor, 2KV, RadioShack.com P/N 900-7197

( ) C2, C3, C4--1 ufd. ¾ 35 volt tantalum capacitor, Radio Shack P/N 272-1434,

RadioShack.com P/N 900-2170

( ) FB1¾ Ferrite Bead, Amidon FB43-287, RadioShack.com P/N 900-5008

(Extra beads may be added by some users to reduce high frequency performance.)

 

( ) I1¾ NE-2 neon lamp, Radio Shack P/N 272-1102, RadioShack.com P/N 900-2628

( ) Q1¾ CP-666 JFET, Crystalonics Inc., TO-5 case

( ) R1¾ 15 ohm ¼ watt, RadioShack.com P/N 900-0174

(R1 may be replaced by some users with a choke to reduce higher frequency performance.)

( ) R2¾ 2.2 Megohm, ¼ watt, RadioShack.com P/N 900-0298

( ) R3¾ 100 ohm, 1 watt, Radio Shack 2 pack, P/N 271-152, RadioShack.com P/N 900-0666

( ) R4¾ 47 K ohm ¼ watt, Radio Shack 5 pack, P/N 271-1342, RadioShack.com P/N 900-0258

( ) R5¾ 50 K ohm potentiometer, RadioShack.com P/N 900-7460

( ) T1¾ User made transformer, 17 turns #30 bifilar wire on Amidon FT50-75 or FT50-J core

 

Hardware:

( ) 1 ea. ¾ Inch copper water pipe 4 ½ inch long fabricated to instructions

( ) 1 ea. ¼-20 x 1 ½ inch brass bolt

( ) 1 ea. BNC Jack, Chassis Mount, Radio Shack P/N 278-105

( ) 1 ea. 1 inch Schedule 40 PVC pipe, 9 inches long

( ) 1 ea. 1 inch Schedule 40 PVC pipe cap, top, fabricated to instructions

( ) 1 ea. 1 inch Schedule 40 PVC pipe cap, bottom, fabricated to instructions

( ) 2 ea. ½ inch Schedule 40 PVC pipe, 1 inch long

 

Suppliers:

 

Local Radio Shack Store, locate through http://radioshack.com

RadioShack.com http://radioshack.com, 1-800-442-7221

P.O. Box 1981, Fort worth TX 76101-1981

Crystalonics Inc, http://crystalonics.com, (781) 270-5522

17 A Street, Burlington, MA 01893

Amidon Inc. < http://www.amidoncorp.com/>, (800) 377-3244 , local (714) 547-4446

1510 E. Edinger Avenue, Unit B

Santa Ana CA 92705, USA