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RF IC Demodulator AM, FM 52MHz 84-PLCC (29.31x29.31)
PLCC84Manufacturer:
Mfr.Part #:
HSP50210JI-52Z
Datasheet:
Number Of Pins:
84
Frequency:
52 MHz
Max Operating Temperature:
85 °C
Max Supply Voltage:
5.25 V
EDA/CAD Models:
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The Digital Costas Loop (DCL) performs many of the baseband processing tasks required for the demodulation of BPSK, QPSK, 8-PSK, OQPSK, FSK, AM and FM waveforms. These tasks include matched filtering, carrier tracking, symbol synchronization, AGC, and soft decision slicing. The DCL is designed for use with the HSP50110 Digital Quadrature Tuner to provide a two chip solution for digital down conversion and demodulation. The DCL processes the In-phase (I) and quadrature (Q) components of a baseband signal which have been digitized to 10 bits. As shown in the block diagram, the main signal path consists of a complex multiplier, selectable matched filters, gain multipliers, cartesian-to-polar converter, and soft decision slicer. The complex multiplier mixes the I and Q inputs with the output of a quadrature NCO. Following the mix function, selectable matched filters are provided which perform integrate and dump or root raised cosine filtering (a ~ 0. 40). The matched filter output is routed to the slicer, which generates 3-bit soft decisions, and to the cartesian-topolar converter, which generates the magnitude and phase terms required by the AGC and Carrier Tracking Loops. The PLL system solution is completed by the HSP50210 error detectors and second order Loop Filters that provide carrier tracking and symbol synchronization signals. In applications where the DCL is used with the HSP50110, these control loops are closed through a serial interface between the two parts. To maintain the demodulator performance with varying signal power and SNR, an internal AGC loop is provided to establish an optimal signal level at the input to the slicer and to the cartesian-to-polar converter.
Number of Pins | 84 | Frequency | 52 MHz |
Max Operating Temperature | 85 °C | Max Supply Voltage | 5.25 V |
Min Operating Temperature | -40 °C | Min Supply Voltage | 4.75 V |
Operating Supply Current | 500 µA | Operating Supply Voltage | 5 V |
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Qty. | Unit Price | Ext. Price |
---|---|---|
1+ | $161.237 | $161.24 |
200+ | $64.336 | $12,867.20 |
500+ | $62.185 | $31,092.50 |
1000+ | $61.123 | $61,123.00 |
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