BCM4339XKWBGT Datasheet, PDF (138/183 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
Table 38: FM Receiver Specifications (Cont.)
Parameter
Mono stereo blend and
switching
Pilot suppression
Conditions^a
Typica
Minimum l
Maximum Units
Blending and switching is dynamically
proportional to the FM wanted input
signal C/N. The blending and switching
characteristics are fully programmable.
Refer to “Audio Features” on page 66 for
further details.
Vin = 66 dBµV EMF (2 mV EMF),
46
–
–
dB
∆f = 75 kHz, fmod = 1 kHz
Pause detection
Audio level at which a Relative to 1 kHz tone, ∆f = 22.5 kHz –
–
–
–
pause is detected
Four values in 3 dB steps
–21
–
–12
dB
Audio pause duration
Four values
20
–
40
ms
a. Following conditions are applied to all relevant tests unless otherwise indicated: Pre-emphasis and de-emphasis
of 50 us, R = L for mono, DAC Load > 20 kΩ, BAF = 300 Hz to 15 kHz, and A-weighted filtering applied.
b. Contact Broadcom regarding applications that operate between 65 and 76 MHz.
c. Wanted Signal: ∆f = 22.5 kHz, and fmod = 1 kHz.
d. Interferer: ∆f = 22.5 kHz, and fmod = 1 kHz.
e. RDS sensitivity numbers are for 87.5–108 MHz only.
f. Vin = ∆f = 32 kHz, fmod = 1 kHz, ∆f Pilot = 7.5 kHz, and 95% of blocks decoded with no errors after correction
g. Vin = 66 dBµV EMF (2 mV EMF), ∆f = 22.5 kHz, fmod = 1 kHz, and ∆f Pilot = 6.75 kHz.
h. Vin = 66 dBµV EMF (2 mV EMF), ∆f = 100 kHz, fmod = 1 kHz, and ∆f Pilot = 6.75 kHz.
i. Vin = 66 dBµV EMF (2 mV EMF), ∆f = 22.5 kHz, and fmod = 1 kHz.
Broadcom^®
November 17, 2014 • 4339-DS106-R
Page 137