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BCM4339XKUBGT Datasheet, PDF (137/183 Pages) Cypress Semiconductor – Single-Chip 5G WiFi IEEE 802.11ac MAC/Baseband/Radio with Integrated Bluetooth 4.1 and FM Receiver | |||
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BCM4339 Preliminary Data Sheet
FM Receiver Specifications
Table 38: FM Receiver Specifications (Cont.)
Parameter
Conditionsa
Typica
Minimum l
Maximum Units
Left and right AC mute FM input signal fully muted with DAC 60
enabled
Left and right hard mute FM input signal fully muted with DAC 80
disabled
Soft mute attenuation and Muting is performed dynamically
â
start level
proportional to the FM wanted input
signal C/N. The muting characteristic is
fully programmable. Refer to âAudio
Featuresâ on page 66 for further details.
Maximum signal plus
â
noise-to-noise ratio
(S + N)/N, mono i
Maximum signal plus
â
noise-to-noise ratio
(S + N)/N, stereog
Total harmonic distortion, Vin = 66 dBµV EMF (2 mV EMF),
â
mono
âf = 75 kHz, fmod = 400 Hz
âf = 75 kHz, fmod = 1 kHz
â
âf = 75 kHz, fmod = 3 kHz
â
âf = 100 kHz, fmod = 1 kHz
â
Total harmonic distortion, Vin = 66 dBµV EMF (2 mV EMF)
â
stereo
âf = 67.5 kHz, fmod = 1 kHz, âf
Pilot = 7.5 kHz, L = R
Audio spurious productsi Range from 300 Hz to 15 kHz, with
â
respect to 1 kHz tone
Audio bandwidth, upper (â Vin = 66 dBµV EMF (2 mV EMF)
15
3 dB point)
âf = 8 kHz, for 50 µs
Audio bandwidth, lower (â
â
3 dB point)
Audio in-band ripple
100 Hz to 13 kHz,
â0.5
Vin = 66 dBµV EMF (2 mV EMF)
âf = 8 kHz, for 50 µs
Deemphasis time
With respect to 50 and 75 µs
â
constant tolerance
RSSI range
With 1 dB resolution and ± 5 dB
3
accuracy at room temp
1.41
â3
â
â
dB
â
â
dB
â
â
â
69 â
dB
64 â
dB
â
0.8
%
â
0.8
%
â
0.8
%
â
1.0
%
1.5
%
â
â60
dBc
â
â
kHz
â
20
Hz
â
0.5
dB
â
±5
%
â
83
dBµV
EMF
â
14100 µV EMF
â
77
dBuV
Stereo Decoder
Stereo channel separation Forced Stereo mode
â
48 â
dB
Vin = 66 dBµV EMF (2 mV EMF),
âf = 67.5 kHz, fmod = 1 kHz,
âf Pilot = 6.75 kHz
R = 0, L = 1
Broadcom®
November 17, 2014 ⢠4339-DS106-R
Page 136
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