The effects of a driver's adjacent-channel leakage ratio (ACLR) on the tota
l ACLR have been tested to investigate the relationship between the ACLR of
a driver and a device under test (DUT). The ACLR test results show that th
e degradation in ACLR is 4.1 to 4.5 dB when both ACLR values are the same.
If the difference in ACLR values between a source and a DUT is 12 to 12.5 d
B, then there is no degradation in total ACLR.