Agilent Technologies HP8648A Weather Radio User Manual


 
AM Transmitters
124
9. Determine if actual frequency readout or frequency error is the desired
measurement.
For actual frequency readout, continue with step 10.
For frequency error:
•Set Tune Mode to Manual.
•Set Tune Freq to the expected carrier frequency.
On the Radio:
10. Key the Transmitter.
As long as the Transmitter is keyed the measurement results will display.
Frequency
Output
Power
TX TEST
TX Freq Error
kHz
MHz
0.169 3.579
Fre-
quency
Modulating
Frequency
Tune Mode
To Screen
TX TEST
AM Depth
Auto/Manual
TX Frequency
TX Power
Tune Freq
28.310000
MHz
IF Filter
15 kHz
Input Port
RF in/Ant
AF Anl In
AM Demod
Filter 1
300Hz HPF
Filter 2
3kHz LPF
De-Emphasis
750 us/Off
Detector
Pk+-Max
Ext TX Key
On/Off
TX Pwr Zero
Zero
AFGen1 Lvl
8.00
mv
AF Freq
RF GEN
RF ANL
AF ANL
SCOPE
SPEC ANL
ENCODER
DECODER
RADIO INT
More
AFGen1 Freq
1.0000
kHz
kHz
%
W
MHz
28.310075
18.9 0.99951
83.3
Fre-
quency