Kenwood R 2000 Drm Modification Instructions Manual
Have a look at the manual Kenwood R 2000 Drm Modification Instructions Manual online for free. It’s possible to download the document as PDF or print. UserManuals.tech offer 176 Kenwood manuals and user’s guides for free. Share the user manual or guide on Facebook, Twitter or Google+.
Design: Henrik Wissing, Offermannstrasse 39, 52159 Roetgen 26.07.2003 Kenwood R-2000 Modification for DRM Receive Mode : FM RF Gain setting: manual mode, adjusted to 6-8 depending on the station signal Tested at Roetgen/Germany (near Aachen) DRM Station received: Deutsches Welle Sines/Portugal (900km), reception quality: 1-2 Deutsche Welle Julich/Germany (30km), reception quality: 3
Page 1 of 1 (26-Jul-2003) drmv01_new.UTSCH - drmv01.schAABBCCDD8 87 76 65 54 43 32 21 1INITIALPAGE:OF: COMPANY: COUNTRY: CITY PROJECT: REV:DATE:ENG: ADDRESS:V.COMMICHAU GERMANY D-52159 ROETGEN GRUENEPLEISTRASSE 45 HUSKY ELECTRONIC DESIGN CENTER A 1 1 DRM MIXER02.02.2003 10.12.2002C8 100nFC7 100nFC5 2n2 1IN1 2 IN2 3 GND 4 OUT1 5 OUT2 6 OS2 7 OS1 8 V+ U1 SA612AGNDGND 1 2 J1C6 100nFX1 467kHz P1 5kC9 100nFE BC T1 BC817-40 R3 1KR2 3K3C10 100nFR1160K BO1 BO2 BO3 BO4C2 100nFC4 100nF L1 100mHC1 10uFGNDC11 680pFC3 330pFC13 50pF 1 2 J31 2 J21 IN 2 GND3 OUT U2 78L05 R433KC12 1nF TP1 R2000 GROUND LINKED TO 9VDC INPUT R2000 Q54 OUTPUT LINKED TO FILE:DRMV01.SCH DRM-MIXER FOR KENWOOD R2000 (RECEIVE MODE SET TO FM !) TO PC-SOUND CARD AUDIO OUTPUT R2000 BASE Q33 LINKED TO ZF 455 KHZ INPUT R198/27K POTI SET TO 75% OUTPUT MAY NEED IMPROVEMENT OR THIS STAGE OMMITED ?! WITH THIS MODIFICATION A VERY GOOD RECEIPT OF DEUTSCHE WELLE SINES/PORTUGAL (900KM) WAS POSSIBLE BUT RECEIPT OF DEUTSCHE WELLE GERMANY/JLICH WAS BAD, EVEN THE DISTANCE WAS ONLY 30KM! REMARK: