Alinco EMS56 Uživatelský manuál

Rework Eliminator is a trademark of Ken Kaplan and Gary Hvizdak Copyright © 2007 – 2013, all rights reserved. Version 6 / Revision F 23 July 201

K2 Internal Mic Adaptor (IMA) User’s Guide – 23 July 2013 8 Table 2 Kenwood / Alinco / Realistic Powered • No External Bias Kenwood MC-42S

K2 Internal Mic Adaptor (IMA) User’s Guide – 23 July 2013 9 Table 4 Heil / iCOM Powered • 10 kΩ External Bias WARNING! Do not apply external

K2 Internal Mic Adaptor (IMA) User’s Guide – 23 July 2013 10 Table 6 Yaesu Unpowered • No External Bias Yaesu MD-1 YM-34 : 35 : 36 : 37 : 38

K2 Internal Mic Adaptor (IMA) User’s Guide – 23 July 2013 11 Summary This page condenses the content in the previous section by omitting model nu

K2 Internal Mic Adaptor (IMA) User’s Guide – 23 July 2013 12 Quick-Reference Decal The 3½" × 2⅛" decal further distills the information

K2 Internal Mic Adaptor (IMA) User’s Guide – 23 July 2013 13 External Bias – Circuit Description Caution! You Must Know Your Microphones! Bias

K2 Internal Mic Adaptor (IMA) User’s Guide – 23 July 2013 14 3.6 kΩ Just R2 Bias  R2 • Bypass  R1 R2 + R3 in Series Bias  R3 • Bypass

K2 Internal Mic Adaptor (IMA) User’s Guide – 23 July 2013 15 Schematic Mic Extender Board (MEX)Rework Eliminator is a trademark of Ken Kaplan an

K2 Internal Mic Adaptor (IMA) User’s Guide – 23 July 2013 16 PCB Renderings See also, 2000 DPI renderings◥. Top Bottom Inner Layers Top Botto

K2 Internal Mic Adaptor (IMA) User’s Guide – 23 July 2013 ii Revision History Date(s) Version Revision(s) Changes 23 JUL ’13 6 F • Incorporate

K2 Internal Mic Adaptor (IMA) User’s Guide – 23 July 2013 1 Mic Extender Board (MEX) Mic Patch Panel Board (MPP) External Bias Resistors (3) P2 3

K2 Internal Mic Adaptor (IMA) User’s Guide – 23 July 2013 2 Features • Supports 66 popular 8-pin Foster-connector microphones sold by … • Alinc

K2 Internal Mic Adaptor (IMA) User’s Guide – 23 July 2013 3 Background The pin-out of the K2 mic jack is user-definable by way of a 2 × 8 termina

K2 Internal Mic Adaptor (IMA) User’s Guide – 23 July 2013 4 Introduction As shown in the center photo above, the Mic Extender board (MEX) mat

K2 Internal Mic Adaptor (IMA) User’s Guide – 23 July 2013 5 Signal Routing – Circuit Description The drawing at left shows how the jumper block i

K2 Internal Mic Adaptor (IMA) User’s Guide – 23 July 2013 6 Configuration Instructions for Supported Microphones Configuring the IMA for an unkn

K2 Internal Mic Adaptor (IMA) User’s Guide – 23 July 2013 7 Caution! You Must Know Your Microphones! Bias Will Damage An “Unprotected” Dynamic