衰減器驗證報告

1、衰減器驗證報告1、衰減器原理衰減器電路板以HMC624為主要芯片，在驗證中采用串行模式，控制位為CLK、SERIN、LE，通過C8051F310芯片的SPI數(shù)據(jù)線來配置衰減器。2、移相器驗證結果采用C8050F310芯片直接配置衰減器，信號發(fā)生器產(chǎn)生信號輸入，輸出端 通過功率計連接電腦。在開始之前測試的線損為1.58dBm。記錄結果見表一。表一衰減器驗證結果記錄表HMC624驗證數(shù)值記錄配置數(shù)值功率計測試值差值測試值絕對值0-4.3404.341-4.670.334.672-5.430.0765.433-5.820.395.824-6.430.616.435-7.010.587.016-7.3

2、50.347.357-7.690.347.698-8.951.268.959-9.160.219.1610-9.790.639.7911-10.030.2410.0312-10.680.6510.6813-10.920.2410.9214-11.560.6411.5615-11.810.2511.8116-12.710.912.7117-12.920.2112.9218-13.560.6413.5619-13.790.2313.7920-14.470.6814.4721-14.710.2414.7122-15.380.6715.3823-15.640.2615.6424-17.091.4517

3、.0925-17.260.1717.2626-17.860.617.8627-18.080.2218.0828-18.750.6518.7529-18.950.218.9530-19.620.6719.6231-19.850.3319.8532-21.091.2421.0933-21.30.2121.334-22.010.7122.0135-22.260.2522.2636-23.040.7823.0437-23.20.1623.238-23.960.7623.9639-24.170.2124.1740-25.951.7825.9541-26.060.1126.0642-26.720.6626

4、.7243-26.890.1726.8944-27.660.7727.6645-27.830.1727.8346-28.580.7528.5847-28.750.1728.7548-30.241.5230.2449-30.440.230.4450-31.250.8131.2551-31.420.1731.4252-32.230.8132.2353-32.410.1832.4154-33.330.9233.3355-33.550.2233.5556-36.012.4636.0157-36.120.1136.1258-36.920.836.9259-37.040.1237.0460-38.091.0538.0961-38.180.0938.1862-39.160.9839.1663-39.250.0939.25通過表一中的第一列、第四列作圖1,如下圖所示。HMC642衰減器驗證圖標32.521.510.501 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58