Dual-band, Cdma/amps Lna And Downconverter Mixers

The SA9503 is an integrated CDMA AMPS Low Noise Amplifier (LNA) plus a downconverter, for both the 900 MHz Cellular band and the 1.9 GHz PCS band. The LNA incorporates 5 settings of digitally selected stepped gain in the Cellular band and in the PCS band. One of the modes (high linearity mode) in each of the Cellular and PCS bands, includes a high IP3 setting in order to meet the 1-tone CDMA desensitization test. The gain, noise figure and IP3 for the remaining 4 low current modes in the Cellular band, are designed in order to have sufficient separation between the Antenna power levels at which the LNA gains are changed, based on multi-tone interference levels. A 3 dB overlap is allowed in the Antenna power levels for the adjacent modes. Table 1 indicates a typical scenario. The downconverter portion is based on our SA9502 and is designed to meet all the stringent spurious rejections that are required in the Cellular and PCS bands. There are three individual mixer blocks, each optimized for high linearity with low power consumption for operation in one of the following modes: 1900 MHz PCS CDMA 800 MHz Cellular CDMA or 800 MHz Analog FM AMPS/TACS modes. By NXP Semiconductors
SA9503 's PackagesSA9503 's pdf datasheet



SA9503 Pinout, Pinouts
SA9503 pinout,Pin out
This is one package pinout of SA9503,If you need more pinouts please download SA9503's pdf datasheet.

SA9503 Application circuits
SA9503 circuits
This is one application circuit of SA9503,If you need more circuits,please download SA9503's pdf datasheet.


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