1. Low Power AM Broadcast Onno W. Purbo Onno@indo.net.id YC1DAV

2. Low Power AM 100mW – 20W MW AM Broadcast Band < Rp. 1 Juta / Transmitter

3. Referensi http://www.northcountryradio.com http://www.thebizlink.com/am/tech/ http://members.nbci.com/mediumwave /circuits/poppet.html http://members.nbci.com/mediumwave /circuits/poppet.html http://www.ramseyelectronics.com/hk/ hobbykits.htm http://www.ramseyelectronics.com/hk/ hobbykits.htm http://www.alphalink.com.au/~parkerp/ nojun98.htm http://www.alphalink.com.au/~parkerp/ nojun98.htm

4. K1ETP 5W AM QRP

6. NE1STX

8. EL 90 AM TX

10. The Poppet

12. Komponen Pasif C1, C2, C13: 0.5 uF C3: 1 nF (1000 pF) C4, C5: 10 uF electrolytic C6: 10 nF (.01 uF) C7, C15: 100 nF (.1 uF) C8, C16: 330 pF C9: 50 pF variable C10: 200 pF C11, C12: 1n8 (1800 pF) C14: 68 pF C17: 220 pF D1: 1N4148 D2: 9 volt zener J1: microphone jack J2: RF output jack L1: 60 turns, 38 SWG wire, T37- 2 core L2: 50 turns, 38 SWG wire, T37- 2 core R1: 560 K R2: 4700 ohms R3: 1K trimpot (mic. gain adjust) R4: 270 K R5: 100 K R6: 560 ohms R7: 33 K R8: 5600 ohms R9: 100 ohms

13. Komponen Aktif Q1, Q3: BC109 (possible equivalents: NTE123A, 2N2222A) Q2: 2N3819 or similar Q4: BFY51 (possible equivalents: NTE128, 2N3053) RFC1: 10 turns of small enameled wire on ferrite bead RFC2: 1 mH, rated for 500 milliamps T1: 12 turns primary, 2 turns sec. on half-inch binocular ferrite core

14. Ramsey 100mW US$30

15. Ramsey AM 100mW US$130

16. Power Booster 1W AM US$40

17. AM88 LP AM XMTR

19. Antenna Untuk LP AM

20. VK1PK End Fed Antenna

21. VK1PK L-Match & Antenna Coupler