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WL1837MOD: receiver spurious emissions

Part Number: WL1837MOD
Other Parts Discussed in Thread: WL1837

Hi, we found a persistent peak level in our module(use TI WL1837Q) at the 4 times of WLAN 2.4G when we tested the receiver spurious emissions  (eg.when we tested the receiver spurious emissions  of 2437MHz,and there is a max level about -71dBm appear,the base noise is about -80dBm ) . the same issue also appears in TI industrial IC(TI WL1837,TI EVM 1877Q), SO we and our customers expect that it should be solved by the source(TI )   .Detail information pelease see the attachment

(To TI)4th harmonics of RX Local_20170328.xls