TFT 844 - Page 6

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*Balanced audio output level ...
*Balanced audio frequency
response ....... .
SCA output at rear panel
Audio (with de-emphasis)
left and right .....
Audio (without de-emphasis)
1 eft and right
Pilot carrier (19 KHz).
Composite . .
Remote meter
Connectors
Meter output
Carrier-failure alarm. optional
Absence of modulation
a 1 arm. option a 1 • •
STEREO SEPARATION AND CROSSTALK
Separation L-to-R and R-to-L.
Crosstalk (L+R) to (L-R)
or (L-R) to (L+R) •..
Crosstalk SCA to (L+R)
or SCA to (L-R) ...•
Pilot carrier measurement
l eve 1 accuracy . . . .
MECHANICAL AND ENYIROtf'IENTAL
Input power .....
Operating temperature • •
Size . . . . .
Net Weight
Shipping weight .
0
dBm into 600 ohms.
+0.5 dB from 30 Hz to 120 KHz
. T volt rms into 600 ohms
. 1 V RMS, 600 ohms unbalance at 100%
modulation (400 Hz)
. 1 V RMS, 600 ohms unbalanced at 100%
modulation.
600 mV RMS, available on front panel
5 V RMS, lOK ohms at 100% modulation
.
For Model 804 remote meter panel
BNC
Main meter selected signal available
on front pane 1 •
. Relay drive output capable of sinking
50 mA to 30 V DC when RF carrier
drops below 50% of nominal.
An output capable of sinking 50 mA at
30 V DC when composite signal drops
below 30% modulation for a period of
time between 2 sections and 1 minute,
internally adjustable.
60 dB typical, 55 dB minimum,
50 Hz to 15 KHz
. 65 dB min
• 70 dB min
+0.5% from 6% to 12% injection
117/230 +10% VAC, 50 to 400 Hz.
40 watts-max
0°C to 50°C (32°F to 122°F}
. 7" (17.78cm) high x 19" (48.26cm)
wide x 15" (38.10cm) deep
Approximately 18.5 pounds (8.4 Kg)
Approximately 22.5 pounds (10. 2Kg)
1.3
Accessory Equipment
1. 3.1
Model 730A SCA Monitor
The Model 730A enables FM stations broadcasting SCA
information on the carrier to meet all FCC SCA requirements. The model
844 provides a composite input to the model 730A.
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