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SI4720-B20-GMR
SI4720-B20-GMR - Brand New SILICON LABS RF Transceiver ICs
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
Description
The Si4720/21 integrates the complete tuner and transmit functions for FM broadcast reception and standards-compliant, unlicensed FM broadcast stereo transmission. Users must comply with local radio frequency (RF) transmission regulations.
Features
■ Full FM RX and TX in 3 x 3 QFN
■ Worldwide FM RX band support
■ Compliant with worldwide FM TX regulations
■ Excellent real-world performance
■ Supports integrated TX/RX antenna
■ Programmable transmit output voltage
■ Frequency synthesizer with integrated VCO
■ Integrated LDO regulator
■ Minimal BOM (15 mm2)
■ Digital audio output (Si4721 only)
■ Digital audio input
■ Adjustable seek parameters
■ Adjustable mono/stereo blend
■ Adjustable soft mute
■ Advanced modulation control
■ Audio dynamic range control
■ Audio silence detector
■ Programmable reference clock input
■ 2-wire and 3-wire control interface
■ 2.7 to 5.5 V supply voltage
■ 3 x 3 x 0.55 mm 20-pin Pb-free QFN package
■ RDS/RDBS encoder/decoder (Si4721 only)
Applications
■ Cellular handsets/hands-free
■ MP3 players
■ Portable media players
■ Wireless speakers/microphone
■ Satellite digital audio radios
■ Personal computers/notebooks
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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