TABLE IIa. TELEVISION RECEIVER INPUT INTERFACE
Terminal Isolation:
Minimum TV-TV
25 dB
Minimum TV-FM
35 dB
Hum Modulation
(maximum):
2 percent (equivalent to minus 40 dB
sidebands)
TABLE IIb.
FM RECEIVER INPUT INTERFACE
75 ohms unbalanced
RF Carrier Level:
13 to 17 dB below video carrier level
RF Carrier Level
Stability:
Short-term (1 hour)
Within 0.5 dB maximum
Long-term (24 hours)
Within 2.0 dB maximum
Frequency Range:
88 to 108 MHz
Within 0.75 dB over the specified
frequency range
Carrier to Noise
Ratio:
More than 24 dB
Terminal Isolation
(FM-TV):
More than 35 dB
1.6
DELIVERY AND STORAGE
Equipment shall be delivered in original packages with labels intact and
identification clearly marked. Equipment and components shall be protected
from the weather, humidity and temperature variations, dirt and dust, and
other contaminants.
1.7
ENVIRONMENTAL CONDITIONS
System components located inside buildings shall conform to the specified
performance when subjected to any combination of the following
Temperature:
At 4 to 38 degrees C 40 to 100 degrees F.
From 0 to 95 percent (no water condensation).
PART 2
PRODUCTS
2.1
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NOTE: For VHF, UHF, and FM antennas only, the
designer may choose to use a separate antenna for
each channel, or to combine several channels in one
receiving antenna to provide greater economy.
Combining of channels on one antenna should not be
SECTION 16785A
Page 12
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