LINEARITY

Here are plots of the linearity tests run on a Hardrock-500 with Microsemi AN-1819 500W amp deck:

80M, two 100W carriers, spaced 1 kHz, 400W PEP:

3RD Order Products are 23.5 dB below one of the carriers and 29.5 dB below PEP

20M, two 100W carriers, spaced 1 kHz, 400W PEP:

3RD Order Products are 35.5 dB below one of the carriers and 41.5 dB below PEP