Goto Section: 95.773 | 95.787 | Table of Contents
FCC 95.779
Revised as of October 1, 2018
Goto Year:2017 |
2019
§ 95.779 RCRS unwanted emissions.
Each RCRS transmitter type must be designed to satisfy the applicable
unwanted emissions limits in this paragraph.
(a) 26-28 MHz frequency band. For an RCRS transmitter operating in the
26-28 MHz frequency band, the power of unwanted emissions must be
attenuated below the transmitter output power in Watts (P) by at least:
(1) 25 dB (decibels) in the frequency band 4 kHz to 8 kHz removed from
the channel center frequency;
(2) 35 dB in the frequency band 8 kHz to 20 kHz removed from the
channel center frequency;
(3) 43 + 10 log (P) dB in any frequency band removed from the channel
center frequency by more than 20 kHz.
(b) 72 and 75 MHz frequency bands. For an RCRS transmitter operating in
the 72 and/or 75 MHz frequency bands, the power of unwanted emissions
must be attenuated below the transmitter output power in Watts (P) by
at least:
(1) 25 dB (decibels) in the frequency band 4 kHz to 8 kHz removed from
the channel center frequency;
(2) 45 dB in the frequency band 8 kHz to 10 kHz removed from the
channel center frequency;
(3) 55 dB in the frequency band 10 kHz to 20 kHz removed from the
channel center frequency; and
(4) 56 + 10 log (P) dB in any frequency band removed from the channel
center frequency by more than 20 kHz.
(c) Measurement bandwidths. The power of unwanted emissions in the
frequency bands specified in paragraphs (a)(1) and (2) and (b)(1)
through (3) of this section is measured with a reference bandwidth of
300 Hz. The power of unwanted emissions in the frequency ranges
specified in paragraphs (a)(3) and (b)(4) of this section is measured
with a reference bandwidth of at least 30 kHz.
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Goto Section: 95.773 | 95.787
Goto Year: 2017 |
2019
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