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Icom Ic756 Drm Modificationvgerman Version Manual

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Page 1

Modifikation des ICOM IC756 Transceivers für den DRM - Empfang 
 
Verfügbar war ein 455khz Mischer mit Quarzoszillator der Fa. SAT-Service Schneider / 
Deutschland. (http://home.t-online.de/home/sat-service/sat/DRM/DRM.htm) 
Verschiedene Empfänger standen zur Auswahl für diesen Test: Grundig Yachtboy, Sony ICF 
SW 100, Kenwood TS50 und der ICOM IC756. Ich bevorzugte letzteren, da dieser mit einem 9 
khz ZF-Filter ausgerüstet ist, welches über die benötigte Spezifikation verfügt (9khz/-6dB und...

Page 2

accessory socket No 2! - But would it be possible to find a place for the mixer and a point where 
the tap could be soldered? (Its SMD technology!). A (very) closer look at the transceivers 
bottom gives clearance: Yes there is an ideal 1.5 cm2
 SMD free place near that point, where 455 
kHz IF is available. And there is a device, a trimpot, that could be OK for soldering the tap to 
with a normal Weller solder-iron (1.5mm / 380 deg. centigrade).  
The connection was made between C219 and the trimpot...

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