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Device description
The RTR6285/RTR6280 device is a highly integrated radio frequency complementary metal oxide semiconductor (RF CMOS) transceiver IC.
The functional block diagram for the RTR6285 IC is shown in Figure 1-1 and the functional block diagram for the RTR6280 IC is shown in Figure 1-2.The RTR6285/RTR6280 IC supports multi-band, multi-mode phones.
■ Receiver paths:
❒ GSM/EDGE 850
❒ GSM/EDGE 900
❒ GSM/EDGE 1800
❒ GSM/EDGE 1900
❒ Two single-ended UMTS inputs
❒ Two differential UMTS inputs
❒ Three single-ended UMTS diversity inputs (RTR6285 only)
❒ GPS receive (RTR6285 only)
■ Transmitter paths:
❒ Two low-band Tx paths for:
– GSM/EDGE 850
– GSM/EDGE 900
– UMTS 800/850/900
❒ Three high-band Tx paths for:
– GSM/EDGE 1800
– GSM/EDGE 1900
– UMTS 1700/AWS/1800
– UMTS 1900
– UMTS 2100Numerous secondary functions also are integrated on-chip:
■ LNAs for UMTS Rx operation
■ Quadrate demodulator to support UMTS Rx operation
■ Three fractional-N synthesizers with on-chip VCOs and loop filters:
❒ PLL1 and on-chip VCO support all transmitters of GSM 850/900/1800/1900 and
UMTS low and high bands. It also serves all receivers of GSM
850/900/1800/1900.
❒ PLL2 and on-chip VCO support primary and diversity receivers of UMTS high
and low bands.
❒ PLL3 and on-chip VCO support GPS receiver (RTR6285 only).
■ Transceiver LO generation and distribution circuits:
❒ GSM/EDGE 850/900/1800/1900 Rx
❒ GSM/EDGE 850/900/1800/1900 Tx
❒ UMTS high and low bands primary and diversity Rx
❒ UMTS high and low bands Tx
■ Quadrature modulators to support GSM/GPRS/EDGE polar Tx and
WCDMA/HSDPA Tx operations
■ Integrated power detector
■ Analog support functions
■ Reference signal for the Mobile Station Modem™ (MSM™) device transmit DACs
■ Transmit gain control
■ Bias control
■ Digital control circuits and interfaces
■ Single-line serial bus interface (SSBI)
■ Thermometer for temperature measurement -
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Datenblatt
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Shopping guide
Delivery period:
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Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
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Beliebte Teile der gleichen Art
- Datasheet: Download RTR6237
- Chipdaten Teil: CD93-RTR6237
- Lagerhaus: China, Hongkong
- Versenden: Innerhalb von 24 Stunden
- Kostenloser Versand: Yes
- Bevorzugter Versand: Yes, 3-5 days
- Letzte Aktualisierung: 2024/10/01 07:28 +0800
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