BCM4339XKWBGT 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

BCM4339 Preliminary Data Sheet
FM Receiver Specifications
Section 16: FM Receiver Specifications
Unless otherwise stated, limit values apply for the conditions specified inTable 31: “Environmental Ratings,” on
page 123 and Table 33: “Recommended Operating Conditions and DC Characteristics,” on page 124. Typical
values apply for the following conditions:
• VBAT = 3.6V
• Ambient temperature +25°C
Table 38: FM Receiver Specifications
Parameter
Conditions^a
Typica
Minimum l
Maximum Units
RF Parameters
Operating frequency^b
Frequencies inclusive
65
–
108
Sensitivity^c
FM only
SNR > 26 dB
–
0
–
–
1
–
–
–6 –
Receiver adjacent
channel selectivity^{c, 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.
–
51 –
At ± 400 kHz
–
62 –
Intermediate signal plus Vin = 20 dBµV EMF (10 µV EMF)
45
noise-to-noise ratio (S+N)/
N^c
53 –
Intermodulation
performance^{c, d}
Blocker level increased until desired at –
30 dB SNR
Wanted Signal: 33 dBµV EMF (45 µV
EMF)
Modulated Interferer: At f_Wanted
+ 400 kHz and +4 MHz
CW Interferer: At f_Wanted + 800 kHz and
+ 8 MHz
55 –
AM suppression, mono^{c 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.
–
–
MHz
dBµV
EMF
µV EMF
dBuV
dB
dB
dB
dBc
dB
Broadcom^®
November 17, 2014 • 4339-DS106-R
Page 133