Goto Section: 74.794 | 74.796 | Table of Contents
FCC 74.795
Revised as of October 1, 2007
Goto Year:2006 |
2008
Sec. 74.795 Digital low power TV and TV translator transmission system
facilities.
(a) A digital low power TV or TV translator station shall operate with a
transmitter that is either certificated for licensing based on the following
provisions or has been modified for digital operation pursuant to Sec. 74.796.
(b) The following requirements must be met before digital low power TV and
TV translator transmitter will be certificated by the FCC:
(1) The transmitter shall be designed to produce digital television signals
that can be satisfactorily viewed on consumer receiving equipment based on
the digital broadcast television transmission standard in Sec. 73.682(d) of this
chapter;
(2) Emissions on frequencies outside the authorized channel, measured at the
output terminals of the transmitter (including any filters that may be
employed), shall meet the requirements of Sec. 74.794, as applicable;
(3) The transmitter shall be equipped to display the digital power output (
i.e. , average power over a 6 MHz channel) and shall be designed to prevent
the power output from exceeding the maximum rated power output under any
condition;
(4) When subjected to variations in ambient temperature between 0 and 40
degrees Centigrade and variations in power main voltage between 85% and 115%
of the rated power supply voltage, the frequency stability of the local
oscillator in the RF channel upconverter shall be maintained within 10 kHz
of the nominal value; and
(5) The transmitter shall be equipped with suitable meters and jacks so that
appropriate voltage and current measurements may be made while the
transmitter is in operation.
(c) The following additional requirements apply to digital heterodyne
translators:
(1) The maximum rated power output (digital average power over a 6 MHz
channel) shall not exceed 30 watts for transmitters operating on channels
14–69 and 3 watts for transmitters operating on channels 2–13; and
(2) The transmitter shall contain circuits which will maintain the digital
average power output constant within 1 dB when the strength of the input
signal is varied over a range of 30 dB.
(d) Certification will be granted only upon a satisfactory showing that the
transmitter is capable of meeting the requirements of paragraph (b) of this
section, pursuant to the procedures described in Sec. 74.750(e).
[ 69 FR 69336 , Nov. 29, 2004]
Goto Section: 74.794 | 74.796
Goto Year: 2006 |
2008
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