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General Description
AS3931 is an ultra low power, three channel LF ASK receiver designed to operate in various applications such as LF identification systems and LF tag receivers. AS3931 is able to detect a low frequency ASK modulated signal by looking for a digital wake-up pattern and generates a WAKE signal after successful pattern detection. The device incorporates an intelligent pattern detection algorithm that provides reliable operation even in presence of strong interferences. RSSI signals can be generated at the RSSI pin for each receiver channel.
Key Features
- 3D wake-up pattern detection
- 3D LF field strength measurement
- Antenna rotation for easy calibration
- High sensitivity and high dynamic range
- Wide operating frequency range
- Reliable, interference resistant wake-up decoding
- Highly protected differential inputs
- Ultra low power consumptionAdditional Features
- Antenna rotation switch
- three independent LF receiver chains
- Wake-up output combining the three receiver chains
- Low power 32.768 kHz crystal oscillator circuit
- Serial programming interface
- Voltage regulator with 2.4 V output, on/off switchableEach independent LF receiver chain contains:
- Input overload protection
- Input attenuator
- Ultra low power LF amplifier with logarithmic envelope output
- Robust data detector with adaptive slicing threshold that translates the logarithmic envelope into a digital data signal
- Error tolerant digital pattern correlator that detects a given code sequence in the received data signal and generates a wake-up signal
- Sophisticated power management logic that powers down the correlator if no data is receivedApplications
- LF identification systems
- LF tag receivers
- Three-dimensional LF field strength measurement systems
- Ultra low power wake-up systems -
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Datenblatt
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
Shipping fee:
- - Automatic Email notification (above 5 times)
- - View in your order page
Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
- - Automatic Email notification (above 5 times)
- - View in your order page
How to Buy:
- - In-stock, Add to cart > Check out > Submit order > Complete payment >Delivery.
- - Inquiry, Add to inquiry sheet/Submit bom/inquire file/Send email us > Quote > Place order > Complete payment >Delivery.
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Payment:
- - Paypal,Credit Card includes Visa, Master, American Express.
- - Wire transfer, include Local bank transfer.
- - Western Union.
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Beliebte Teile der gleichen Art
- Datasheet: Download AS3931
- Chipdaten Teil: CD91-AS3931
- Lagerhaus: China, Hongkong
- Versenden: Innerhalb von 24 Stunden
- Kostenloser Versand: Yes
- Bevorzugter Versand: Yes, 3-5 days
- Letzte Aktualisierung: 2024/07/01 04:18 +0800
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Die Gebühr wird gemäß der PayPal-Regel erhoben.
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Western Union erhebt eine Bankgebühr von 0,00 US-Dollar.
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Wir empfehlen, bei größeren Bestellungen die Banküberweisung zu nutzen, um Bearbeitungsgebühren zu sparen.
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DHL(www.dhl.com)
Zeitlich begrenztes Angebot im Wert von 40 $. -
UPS(www.ups.com)
Zeitlich begrenztes Angebot im Wert von 40 $. -
FedEx(www.fedex.com)
Zeitlich begrenztes Angebot im Wert von 40 $. -
Registered Mail(www.singpost.com)
Kostenloser Versand ohne Mindestbestellwert.
