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Brief Description
CMX881, a full-function half-duplex audio and signalling processor IC for both PMR and Trunked radio systems suitable for complex and simple end-designs. Under the control of the host µC, all voiceband requirements are catered for: voiceband and sub-audio filtering, pre/de-emphasis and audio routing and global level setting with single or two-point modulation in the transmit path.
Features
• Automatic signal type scanning and IRQ on detection of valid Rx signals, level or RSSI
• Tone generator for caller recognition tunes
• Programmable powerdown control
• Programmable signal detection thresholds
• Low Power operation with ‘Zero Power’ mode
• Uncommitted Aux ADC with switchable input to monitor signals
• Meets ETS 300 086, MPT1327, PAA1382 and ETS 300 230 specifications
• Voice processing facilities, including Tx and Rx gain setting and voice/subaudio filtering
• C-BUS serial host interface
• RF interface allowing 1 or 2 point modulation
• Programmable soft limiter
• Enhanced CTCSS and 23/24 bit DCS codecs
• Zero ‘Talkdown’ CTCSS decoder performance prevents dropouts
• DTMF transmitter
• Programmable Selcall codec
• Robust half-duplex FFSK/MSK modem, 1200/2400bps with CRC and parity generator/checker, gets data through when signal is too degraded for voice – for text messaging/paging, location transfer, etc. applications. -
Similar parts: 430483 , Click to view
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Datasheet
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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:
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Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
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Popular parts of the same kind
- Datasheet: Download CMX885Q3
- Chipdatas Part: CD93-CMX885Q3
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/18 12:46 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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The fee is charged according to the rule of PayPal.
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The fee is charged according to the rule of PayPal.
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Western Union charge US$0.00 banking fee.
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We recommend to use bank transfer for large orders to save on handling fees.
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