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Two strong signals would produce third order intermodulation components which would interfere with the work of the receiver when they are received by the receiver. In order to reduce the interference, thus increasing spurious free dynamic range of the receiver, a receiver channel with large dynamic range is proposed. By properly distributing the gain of the channel and suitable component selection, the 3rd-order Output Intercept Point(OIP3) is achieved to 45 dBm. The multichip module(MCM) technology is applied to establish the hardware of the receiver. The receiver is tested by an improved test method, verifying the its excellent dynamic range.