Gain of 14.6 dB at 2140 MHzGain of 14.6 dB at 2140 MHz in the datasheet.
S21 Should represent the gain, but why it is not equal to gain in the Table 2.
The S-Parameters provided in table 2 are the S-Parameters for an unmatched device. ( the ADL5324 requires external matching in order to be used) When the part matched using the recommended matching components listed in table 6 and placed at the recommended spacing shown in table 7, the gain at 2140 MHz will be 14.6 dB.
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