Description
The MSM7583 is a CMOS IC for the p/4 shift QPSK modem developed for the digital cordless telephone systems.
Features
- Single +5 V Power Supply: 4.5 V to 5.5 V (Modulator Block).
- Built in Root Nyquist Filter for Baseband Limitting (50% Roll-off).
- Ramp Bit for Burst Signal Rise-up (Fall-down) : 2 Symbols.
- Built-in D/A converters for Analog Outputs of Quadrature Signal I/Q Components and I 2 + Q 2 (Analog) Power Envelope Output.
- Differential I/Q Analog Output Type.
- I/Q Output, DC Offset/Amplitude Adjustable (Demodulator Block).
- Built-in Diversity-cor.
MSM7583_OKI.pdf
