BCM43455XKUBGT Datasheet, PDF (108/159 Pages) Cypress Semiconductor – Single-Chip 5G WiFi IEEE 802.11ac MAC/Baseband/ Radio with Integrated Bluetooth 4.1 and FM Receiver

BCM43455 Preliminary Data Sheet
FM Receiver Specifications
Section 16: FM Receiver Specifications
Unless otherwise stated, limit values apply for the conditions specified in Table 25: “Environmental Ratings,” on
page 98 and Table 27: “Recommended Operating Conditions and DC Characteristics,” on page 99. Typical
values apply for the following conditions:
• VBAT = 3.6V
• Ambient temperature +25°C
Table 32: FM Receiver Specifications
Parameter
Conditions^a
Minimum Typical Maximum Units
RF Parameters
Operating frequency^b
Sensitivity^c
Receiver adjacent
channel selectivity^{c, d}
Intermediate signal plus
noise-to-noise ratio
(S+N)/N^c
Intermodulation
performance^{c, d}
AM suppression, mono^c
Frequencies inclusive
65
–
108
FM only
SNR > 26 dB
–
–1
–
–
0.9
–
–
–7
–
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
–
Vin = 20 dBμV EMF (10 μV EMF)
45
53
–
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
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.
55
–
–
–
MHz
dBμV EMF
μV EMF
dBμV
dB
dB
dB
dBc
dB
RDS
RDS Sensitivity ^{e, f}
RDS deviation = 1.2 kHz
RDS deviation = 2 kHz
–
16
–
dBμV EMF
–
6.3
–
μV EMF
–
10
–
dBμV
–
12
–
dBμV EMF
–
4
–
μV EMF
–
6
–
dBμV
Broadcom^®
November 5, 2015 • 43455-DS109-R
BROADCOM CONFIDENTIAL
Page 107