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BCM4339 Datasheet, PDF (134/183 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
Section 16: FM Receiver Specifications
Unless otherwise stated, limit values apply for the conditions specified inTable 31: âEnvironmental Ratings,â on
page 123 and Table 33: âRecommended Operating Conditions and DC Characteristics,â on page 124. Typical
values apply for the following conditions:
⢠VBAT = 3.6V
⢠Ambient temperature +25°C
Table 38: FM Receiver Specifications
Parameter
Conditionsa
Typica
Minimum l
Maximum Units
RF Parameters
Operating frequencyb
Frequencies inclusive
65
â
108
Sensitivityc
FM only
SNR > 26 dB
â
0
â
â
1
â
â
â6 â
Receiver adjacent
channel selectivityc, d
Measured for 30 dB SNR at the audio output with best tune.
Signal of interest: 23 dBµV EMF (14.1 µV EMF),
At ± 200 kHz.
â
51 â
At ± 400 kHz
â
62 â
Intermediate signal plus Vin = 20 dBµV EMF (10 µV EMF)
45
noise-to-noise ratio (S+N)/
Nc
53 â
Intermodulation
performancec, d
Blocker level increased until desired at â
30 dB SNR
Wanted Signal: 33 dBµV EMF (45 µV
EMF)
Modulated Interferer: At fWanted
+ 400 kHz and +4 MHz
CW Interferer: At fWanted + 800 kHz and
+ 8 MHz
55 â
AM suppression, monoc Vin = 23 dBµV EMF (14.1 µV EMF)
40
AM at 400 Hz with m = 0.3
No A-weighted or any other filtering
applied.
â
â
MHz
dBµV
EMF
µV EMF
dBuV
dB
dB
dB
dBc
dB
Broadcom®
November 17, 2014 ⢠4339-DS106-R
Page 133
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