Agilent Technologies E8285A Manual page 164

Performance Tests
RF Generator Harmonics Spectral Purity Performance Test 6
3. Set the Test Set's RF generator to the frequencies and levels shown in the
164
Performance Test Record (PTR) and measure the second and third harmonics.
For each measurement convert the harmonic level to dB below the fundamental
(dBc) and compare the computed levels to the limits.
S:\agilent\e8285\ALR\Book\chapters\perf_test.fm