Icom IC-746 Faq

IC-746 FAQ
Recent Changes
2003.02.06 Added another QST article to the article list
2003.02.06 Added current vs voltage chart to power supply section.
2003.02.06 Added Q/A on zero-beating CW signals
2003.02.05 Added info on annotated copy of IC-746 Instruction Manual
2003.02.05 Added info on an Italian copy of the IC-746 Instruction Manual
2003.02.04 Added another SEND amp interface
2003.02.04 Added another microphone pre-amp circuit
2003.02.04 Added a Q/A about circuit schematics
2003.02.03 Added a Canadian repair center
2003.02.03 More info on LCD scratch removal
2003.02.02 Added ACC-2 pin-out diagram
2003.02.02 Added ACC-1 pin-out diagram
2003.02.02 Added MIC pin-out diagram
2003.02.01 Added errata about receiver selectivity
2003.02.01 Added extensive info on low RF output power
2003.02.01 More non-746 information links
2003.02.01 Add Q/A on intermittent audio
2002.12.04 Minor/trivial corrections/additions, too numerous/small to list separately
2002.12.03 Added another article
2002.12.03 First rough draft in document format
2002.11.29 Started converting ASCII format to document format
Page 2 of 113
2003-02-08

Icom IC-746 Specifications

General

Mode	SSB, CW, RTTY, AM, FM
Receiver Type	Double conversion superheterodyne
Antenna Connector	SO-239
Voltage	13.8 V DC ±15%
Impedance	50 ohms
Output Power	100 W (SSB, CW, FM, RTTY), 40 W (AM)
Current Drain	TX: 20 A
Sensitivity	AM: 2 µV
Selectivity	CW: 500 Hz (-6 dB)