負載牽引測試:檢測頻率受負載影響的變化。參數(shù):頻率變化<0.1% under full load。
檢測范圍
射頻放大器:用于通信設(shè)備的頻率調(diào)諧和性能測試。
振蕩器電路:評估頻率生成穩(wěn)定性和調(diào)諧范圍。
天線系統(tǒng):測試諧振頻率、帶寬和輻射模式。
濾波器網(wǎng)絡(luò):測量通帶、阻帶頻率和插入損耗。
聲學(xué)設(shè)備:如揚聲器的頻率響應(yīng)和諧振測試。
機械振動系統(tǒng):評估共振頻率和模態(tài)分析。
電源轉(zhuǎn)換器:測試開關(guān)頻率穩(wěn)定性和諧波。
傳感器系統(tǒng):如加速度計的頻率特性和靈敏度。
無線通信模塊:頻率調(diào)諧、信道間隔和干擾測試。
測試儀器校準:確保頻率測量準確性和 traceability。
檢測標(biāo)準
ISO 266:1997 Acoustics — Preferred frequencies for measurements。
ASTM E1876-15 JianCe Test Method for Dynamic Young's Modulus, Shear Modulus, and Poisson's Ratio by Impulse Excitation of Vibration。
GB/T 2423.10-2019 Environmental testing for electric and electronic products — Part 2: Tests — Test Fc: Vibration (sinusoidal)。
IEC 61000-4-7:2009 Testing and measurement techniques — General guide on harmonics and interharmonics measurements and instrumentation, for power supply systems and equipment connected thereto。
IEEE Std 1139-2008 JianCe Definitions of Physical Quantities for Frequency and Time Metrology。
GB/T 15972.4-1998 Optical fibre test methods — Part 4: Transmission and optical characteristics — Section 4: Frequency response。
ISO 10816-1:1995 Mechanical vibration — Evaluation of machine vibration by measurements on non-rotating parts — Part 1: General guidelines。
IEC 60068-2-64:2019 Environmental testing — Part 2-64: Tests — Test Fh: Vibration, broadband random and guidance。
ASTM E1004-17 JianCe Test Method for Determining Electrical Conductivity Using the Electromagnetic (Eddy-Current) Method。
GB/T 5170.13-2005 Environmental testing equipment for electric and electronic products — Vibration testing equipment。