NXP Semiconductors TDA8260
Satellite Zero-IF QPSK/8PSK downconverter with PLL synthesizer
| Part No. | TDA8260 |
|---|---|
| Datasheet | TDA8260 Download |
| Manufacturer |  NXP Semiconductors |
| Description | Satellite Zero-IF QPSK/8PSK downconverter with PLL synthesizer |
| Buy | Stock & Price |
FEATURES
● Direct conversion Quadrature Phase Shift Keying (QPSK) and 8-Phase Shift Keying (8PSK) demodulation (Zero-IF)● Frequency range: 950 to 2175 MHz
● High level asymmetrical RF input
● 0 to 50 dB variable gain with AGC control
● Loop-controlled 0 to 90° phase shifter
● High AGC linearity (<1 dB per bit with an 8-bit DAC), AGC voltage variable between 0 and 3 V
● Integrated 5th-order matched baseband filters for in-phase (I) and quadrature (Q) signal paths
● Controlled I-to-Q gain balance
● I2C-bus controlled PLL frequency synthesizer
● Low phase noise
● Operation from a 4 MHz crystal (allowing the use of an SMD crystal)
● Five frequency steps from 125 kHz to 2 MHz
● Crystal frequency output to drive the demodulator IC
● Compatible with 5, 3.3 and 2.5 V I2C-bus
● Fully compatible and easy to interface with Philips Semiconductors family of digital satellite demodulators
● +5 V DC supply voltage
● 38-pin high heat dissipation package.
APPLICATIONS
● Direct Broadcasting Satellite (DBS) QPSK demodulation● Digital Video Broadcasting (DVB) QPSK demodulation
● BS digital 8PSK demodulation.
