artisan 8640B - Front Panel Controls, Indicators, and Connectors

Model 8640B TM 9-4935-601-14-7&P
FRONT PANEL FEATURES
1 Meter Function: interlocked buttons select one of
three functions.
AM: meter indicates percent of amplitude
modulation.
FM: meter indicates peak frequency deviation.
LEVEL: meter indicates RF output level in
Vrms or dBm 50Ω.
2 SCALE: annunciator lamps light to indicate
applicable meter scale. Meter scale is automatically
selected.
3 Meter: automatically ranges to one of three scales,
read according to meter function.
AM X 10 %: 0-3 scale is read 0-30%; 0-10 scale
is read 0-100%.
FM kHz/MHz: 0-3, 0-5, and 0-10 scales are
read in kHz or MHz, depending upon setting of
PEAK DEVIATION switch (e.g., with PEAK
DEVIATION set to 80 kHz, a meter reading of
7.2 indicates that deviation is 72 kHz).
LEVEL VOLTS: 0-3 and 0-10 scales are read in
microvolts, millivolts, or volts depending upon
setting of OUTPUT LEVEL controls (e.g., with
OUTPUT LEVEL set to approximately 20
mVOLTS, a meter reading of 2.4 indicates that
actual level is 24 mVrms). The -10 to +3 dB
scale is read relative to the OUTPUT LEVEL
switch dBm scale.
4 Output Problem Annunciators: lamps light to
indicate that modulation or OUTPUT LEVEL
settings are causing generator to be uncalibrated.
REDUCE PEAK POWER: indicates a
combination of OUTPUT LEVEL setting and
amplitude modulation that exceeds +19 dBm
power output.
REDUCE FM VERNIER: indicates that an
external FM input level or vernier setting is
causing FM deviation to exceed limits.
Figure 3-2. Front Panel Controls, Indicators, and Connectors (1 of 4).
3-2
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