Yaesu FT DX 3000 User Manual

Page 29F
T
DX
30
00 OperaTing Manual
rear panel
ANT1/2/3 Jacks
 Connectyour main antenna(s) here, using type-M
(PL-259)connectors andcoaxialfeedlines.Thein-
ternalantennatuneraffectsonlytheantenna(s)con-
nectedhere,andonlyduringtransmission.
Warning!
 The100VRFvoltage(@100W/50

)isappliedto
theTXRFsectionofthetransceiverwhiletrans-
mitting. Do nottouch the TXRF section while
transmitting.
DCIN Jack
 This is the DC power supply connection for the
transceiver.UsethesuppliedDCcabletoconnectdi-
rectlytoaDCpowersupply,whichmustbecapable
ofsupplyingatleast23A@13.8VDC.
GND
 Usethisterminaltoconnectthetransceivertoagood
earth ground, for safety and optimum performance.
Usealargediameter,shortbraidedcableformaking
ground connections, and please refer to page 9 for
othernotesaboutpropergrounding.
Topreventthedamage fromlightning,at-
mosphericelectricity,electricalshock,etc.,
pleaseprovideagoodearthground.
µ-TUNE Jacks
 These jacks are used to connect the optional RF
µTuningKit,signalinandsignalout.
+13.8VJack
 ThisRCAoutputjackprovidesregulated,separately
fused 13.8VDC atupto 200 mA, to power an ex-
ternaldevicesuchasapacketTNC.Makesureyour
devicedoesnotrequiremorecurrent(ifitdoes,use
aseparatepowersource).
PTT Jack
 ThisRCAinputjackmaybeusedtoprovidemanual
transmitteractivation using a footswitch or other
switching device. Its function is identical to the
[
MOX
]
 button on the front panel.The same line is
available at the
RTTY/PKT
 jack forTNC control.
Open-circuit voltage is +5 VDC, andclosed-circuit
currentis2mA.
EXTALCJack
 This RCA input jackaccepts negative-goingexter-
nalALC (Automatic Level Control) voltage from
a linear amplier to prevent over-excitationby the
transceiver.Acceptableinputvoltagerangeis0to–4
VDC.
IFOUTJack
 ThisRCAjackoutputsthereceiver9MHzIFsignal.
Thissignaldoesnotpassthroughtheroonglter.
TXGNDJack
 ThisRCAjack’scenterpinisclosedtogroundwhile
thetransceiver’stransmitterisengaged.Thetransis-
toropencollectorcircuitusedforthisjackiscapable
ofswitchingaDCvoltageof60Vat200mA,orDC
30Vatupto1Amp.
RXOUTJack
 ThisRCAjackprovidesoutputofthereceiversignal
linesfromtheAntennajack.
LINEAR Jack
 This15-pinoutputjackprovidesbandselectiondata,
whichmaybe used forcontrolof optional accesso-
riessuchasthe
VL-1000
Solid-stateLinearAmpli-
er.

Yaesu FT DX 3000 Specifications

General

Type	HF/50 MHz Transceiver
Antenna Impedance	50 ohms
Frequency Range	1.8 - 54 MHz
Modes	SSB, CW, AM, FM
Receiver Type	Triple conversion superheterodyne
Audio Output	2.5 W
Supply Voltage	13.8 V DC ±15%
Current Consumption	22 A