Ian Waugh - A Mariner\'s Guide to Marine Communications

Marine MF IHF SSB Radio - Schematic Diagram

MariDe MFIHF SSB Radio - Schematic Diagram

(lead-in to antenna)

Antenna Coupler

,

TRANSMIITER (Tx) , I T RECEIVER (Rx)

Radio Frequency (RI') Stage

1 6-Tune I

Radio Frequency (RF) Stages

7-TxPOWER:

~

<Ill r----~ RCL ~---T ~

1 fijldl I 1nl , I

8 I

1 Medium I

I

I 2 3 I ,

AGC OFF 1

, I

I Low I

4 S 6

7 8 ~

1

(^2182) Enter 1
AGC ON
(^0) (filst/slow)
, I
MODULATOR Jt I __ ~ , ___ ~ , ____ 1t DE-MODULATOR
.- -.
(cambina S -TrtmmltterlRec:eiver (Sepuau
DSCIVaiceffelo.rl ... aWJ 'Carrier Freq .... cy. SeleetiOD OSCIVoiceffelexl ... maiJ
calli od -ce wIIh yoar calls and messages!",,,, the
.eJected Ira_Iller
Carrier Frtoq_ncy) -.. ~&:
4 -'CLASS OF EMISSION'
--.1 J3E (SSBlUSB) I
1 Clarifyl }

. --- e--1---. FiD ...
tune ,t.
1 RJE I
TftlllSlllitler IlIJUIt Sl#Ie
I FIB (Telc:xffLX) I

Recmer o.tpllt S14ge

(A_pto ('ADdi<>-FreqIl<DCY' Stage)

DSCNoIceIJ'eIo.rI ... aWJ

C.lIa •• d _IIClIrom I AIA(CW) I (Presents

DSC Controller. lludset DSC/Voic:elTelexl ... maiJ

or Computer)

1 H3E(AM) I

calJs and messages to:

... , ... , ... , DSC Han~; Controller,

,

or Computer 1 ( "

, , , , , •

, , , , , ,

, ' , 9 AF )

, , "---T---, ----------------------------------l> , I. Gal. t-

' .... ------~---, -------------l> .,

It

Loudspeaker

i ~ i ~

3 -Computer.

I-DSC 2-HaDdset running 'Telex Over

Controller (for and voice messages) calls Radio (TOR) andIor e-

mail Software

Figure Z3

Marine MF/HF SSB radio - schematic diagram

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