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VES4143
VES4143 - Brand New VLSI IC Chips
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 VES1820X is a single chip channel receiver for 16, 32, 64, 128 and 256-QAM
modulated signals. The device interfaces directly to the IF signal, which is
sampled by a 9-bit AD converter.
The VES1820X performs the clock and the carrier recovery functions. The
digital loop filters for both clock and carrier recovery are programmable in
order to optimize their characteristics according to the current application.
FEATURES
• 16/32/64/128/256 QAM demodulator (DVB-C compatible : ETS 300-429).
• On chip 9-bit ADC.
• On chip PLL for crystal frequency multiplication.
• Digital down conversion.
• Half Nyquist filters (roll off = 15 %).
• Automatic gain control PWM output (AGC).
• Symbol timing recovery, with programmable second order loop filter.
• Variable symbol rate capability from SACLK/64 to SACLK/4 (SACLK max = 36
MHz)
• Programmable anti-aliasing filters.
• Full digital carrier recovery loop.
• Carrier acquisition range up to 8 % of symbol rate.
• Integrated adaptative equalizer (Linear Transversal Equalizer or Decision
Feedback Equalizer).
• On chip FEC decoder (Deinterleaver & RS decoder), full DVB-C compliant.
• DVB compatible differential decoding and mapping.
• Parallel or serial transport stream interface.
• I2C bus interface, for easy control.
• CMOS 0.35µm technology.
APPLICATIONS
• DVB-C fully compatible.
• Digital data transmission using QAM modulations.
• Cable demodulation.
• Cable modems
• MMDS (ETS 300-429).
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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