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9640A Instruction Manual 31. Without changing any measuring receiver settings, set the UUT to the next amplitude listed in Table 5-14 for this frequency. Allow the measuring receiver reading to stabilize and record the reading as Prel. (Note that Prel will be a negative number in dB). 32. Calculate the UUT output Pout = P-37 + Prel. Check that the value of Pout is within the tolerance shown in part A of Table 5-14. 33. Repeat steps 31 and 32 for each amplitude listed in part A of Table 5-14 for this frequency. 34. Return the UUT output to -37dBm, set the UUT frequency to the next frequency listed in part A of Table 5-14, and repeat steps 30 through 34. 35. Set the UUT to 100kHz at -47dBm. Repeat steps 30 through 35 for the points listed in part B of Table 5-14 using the calculation Pout = P-47 + Prel in step 32. 36. Set the UUT to STBY. Table 5-14. Level Accuracy Test (50•), Low Level Test Points Part Frequency A 100 kHz 10 MHz 125 MHz 300 MHz 1.4 GHz 3 GHz 4 GHz 5-26 Reading Pout Tolerance -37 dBm Reference Reference -66 dBm Prel ±0.20 dBm -85 dBm (P-85) Prel ±0.50 dBm -37 dBm P-37 Reference -66 dBm Prel ±0.20 dBm -85 dBm (P-85) Prel ±0.50 dBm -37 dBm Reference Reference -66dBm Prel ±0.20 dBm -85 dBm (P-85) Prel ±0.50 dBm -37 dBm P-37 Reference -66dBm Prel ±0.20 dBm -85 dBm (P-85) Prel ±0.50 dBm -37 dBm Reference Reference -66dBm Prel ±0.50 dBm -85 dBm (P-85) Prel ±1.00 dBm -37 dBm P-37 Reference -66dBm Prel ±0.50 dBm -85 dBm (P-85) Prel ±1.00 dBm -37 dBm Reference Reference -66dBm Prel ±0.50 dBm -85 dBm (P-85) Prel ±1.00 dBm Amplitude
