Sencore CB42 User Manual

CB II. TUNlII
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DIG"Al REAflOUT SElECTOII
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II
Fig. 9-Colltrol Setup {or measuring AM RF Power.
ANALVZINO OUTPUT SIGNALS MODEl
1'8.2
.' .
m
DIC"AL READGUT INflUT SIGNALS
.'-
" .. "'"
plied RF cable.
3. Select the RF WAT'l'S function of the DIGITAL
RJ.;ADOUT SELECTOR.
4. For AM power, key the transmitter and read the
RF Watts output On the DIGITAL READOUT
with no
modulation applied to the microphone.
The legal maximum reading is 4 Watts. With
modulation, the PEP reading meter will indicate
the carrier plus the sideband power of the signal.
The maximum legal power for a fully modulated
AM signal is 16 Watts PEP.
... ... _ ... , .....
.. ........ _,-_.
..:::r.
-,
'M'
·'rxt
d. Key the SSB transmitter with either the USB
or LSB function On the transmitter selected.
e. Gradually tum the AUDIO OUTPUT control
to ma:<imum. Most transmitters will be able
to provide at least 8 Watts PEP. The legal
mlUimum output power is 12 Wattl PEP.
Fig. lO-Colltrol Setup {or measuring SSB RF Fower.
NOTE: When mea!lurlng a\'erage AM
carrier power, shield the mike from mod·
u1ation sources llII modulat;on wiJI cause
an increase in the RF power reading.
For SSB power:
a. Plug
the 39G102 Dynamic Mike Teiter into
the AUDIO OUTPUT jack.
5.
b. ScllX't the SSB TEST position on the audio
selector switch.
c.
Place the CB mike over the cushion on the
DylWlmic Mike Tester. Press the mike against
the cushion to insure good acoustical coup.
ling.
16

Sencore CB42 Specifications

General

Brand	Sencore
Model	CB42
Category	Measuring Instruments
Language	English