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AK2401 Arkusz danych(PDF) 1 Page - Asahi Kasei Microsystems

Numer części AK2401
Szczegółowy opis  Direct Conversion Transceiver
Download  103 Pages
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Producent  AKM [Asahi Kasei Microsystems]
Strona internetowa  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AK2401 Arkusz danych(HTML) 1 Page - Asahi Kasei Microsystems

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[AK2401]
017003093-E-00
2017/3
1
1. General Description
The AK2401 is a direct conversion transceiver that provides high performance narrow-band radio
communication. The receiver block of the AK2401 integrates a LNA, I/Q demodulator, PGA and 24-bit
delta-sigma ADC, and realizes both performances of high sensitivity and high tolerance to adjacent
channel interference, intermodulation and blocking. Digital filter that is able to support channel selection
for multiple radio systems, enabling simple system designing for a radio platform. The AK2401 also
integrates a delta-sigma Fractional-N synthesizer that composes a high performance PLL with an
external VCO. The transmission block has a DAC and a driver amplifier. The AK2401 is housed in a small
QFN package (7mm x 7mm), realizing to downsize wire-less applications.
2. Features
Operating Frequency: 30MHz ~ 1200MHz
Power Supply: 2.7 ~ 3.3V (CPVDD, DACVDD: 2.7 ~ 5.5V)
Operational Temperature: -40 ~ +85ºC
LNA: Gain 15dB, NF 1.2dB, IIP3 +7dBm
High Linearity Direct Conversion I/Q Demodulator
24-bit
ΔΣ A/D Converter: up to 150kHz Output Sampling Frequency (TCXO=19.2MHz)
Band Changeable Digital Filter (Bandwidth can be set arbitrarily)
Automatic Gain Control (AGC) function for LNA and PGA
Real-time DC Offset Canceller (RDOC) Function
RSSI Function: Data read by SPI communication
18-bit
ΔΣ Fractional-N PLL Synthesizer
Digital Frequency Modulation (FM/FSK) by Frequency Offset Function
Fast Lock Function reduces Lock-up Time
12-bit DAC: 200kHz Max. Sampling Frequency, S/N 72dB
Transmission Driver Amplifier:
−6 ~ +6 dBm Output
Local Signal Dividing Circuit (divide by 2 or more is recommended)
TCXO Frequency: 18.432MHz / 19.2MHz are recommended
Frequency: 52-pin QFN (7×7×0.85mm 0.4 mm pitch)
3. Application
• Narrow Band Radio Communication: 6.25kHz/7.5kHz/12.5kHz/15kHz/20kHz/25kHz/
50kHz/100kHz/150kHz / etc.
• Modulation Method: FM/2FSK/4FSK/QPSK/
/4 DQPSK /16QAM/64QAM
(Modulation / demodulation needs to be done externally. Modem function is not installed.)
• Analog/Digital Dual Mode Transceiver
• Digital Radio System for Industrial Use
• Public safety and Community/Emergency Radio System
• Convenience Transceiver
• Marine/Mobile Communication System
• Low power / Telemeter Transmitter
• Amateur Radio System
AK2401
Direct Conversion Transceiver


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