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BK4802N डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Analog Two Way Radio IC - BEKEN

भाग संख्या BK4802N
समारोह Analog Two Way Radio IC
मैन्युफैक्चरर्स BEKEN 
लोगो BEKEN लोगो 
पूर्व दर्शन
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<?=BK4802N?> डेटा पत्रक पीडीएफ

BK4802N pdf
BK4802N
1 Function Description
Antenna
PA
T/R
Switch
LNA
21.25 MHz
XTAL OSC
ASK Mod
PLL
Modulator
Emphasis
Transmitter
ADC
ADC
ADC
Filter
Demod
RSSI
SNR
De-
Emphasis
Σ-Δ
ASK
De-mod
Squelch
PWM
Mod
Audio PA
Receiver
Frequency Synthesizer
SQ Level &
Volume Control
I2C
Micphone
Speaker
MCU
or
EEPROM
Figure 1 Block Diagram
BK4802N integrates a high performance RF PLL, several ADC, a DAC, a RF
receiver and a RF transmitter, a T/R switch, a microphone amplifier and a 250mW
audio power amplifier, and has powerful digital signal processing capability. Digital
low-IF architecture leads to high integration, requires only a 21.25MHz XTAL, a
microphone, a speaker, an antenna and several SMD resistors/capacitors to form a
two way radio module. On-chip ROM stores the information of 16 built-in channels.
BK4802N can work independently without MCU for voice communication. 3
applications using BK4802N are shown in the figure below.
Work at 16
built-in
channels
Work at other
channels
ASK
or
Work at other
channels or
More features
BK4802N
BK4802N
BK4802N
EEPROM
MCU
Application 1
Application 2
Application 3
Figure2Several Applications using BK4802N
As illustrated in the figure above, EEPROM can be introduced if the wanted channel
is not included in these 16 built-in channels. BK4802N access EEPROM through 2
wires I2C interface. Also, BK4802N can work with MCU for data communication in
ASK mode. MCU can read or write registers in BK4802N through I2C interface, too.
Proprietary and Confidential
Page 2 of 19

विन्यास 19 पेज
डाउनलोड[ BK4802N Datasheet.PDF ]


शेयर लिंक


अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
BK4802NAnalog Two Way Radio ICBEKEN
BEKEN


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