85RF高頻探頭
85RF 高頻探頭 |
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| | The 85RF High Frequency Probe is designed to convert a DC voltmeter with a input impedance of 10M ohms into a high frequency (100kHz to 500Mhz) RF voltmeter. Conversion from AC to DC is accomplished on a one-to-one basis includes a range of 0.25 to 30V rms. The probe’s DC output is calibrated to be equivalent to the rms value of a sine wave input. - Voltage Range: 0.25 to 30V rms
- Maximum Input Voltage: 30V rms, 200V dc
- AC to DC Ratio: 1:1
- Ratio Accuracy (At 25 MHz and loaded with 10 M ohm) Above 0.5V: +/- 0.5 dB | Below 0.5V: +/- 1.0 dB | Add +/- 0.2 dB in RF fields of 1 to 3 V/m
- Frequency Response (Relative to 25 MHz): 100KHz to 100 MHz +/- 0.5 dB | 100 MHz to 200 MHz +/- 2.0 dB | 200 MHz to 500 MHz +/- 3.0 dB
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使輸入阻抗為10MΩ的直流電壓表變成一臺100kHz-500MHz的高頻交流電壓表。交直流轉換比為1:1,量程0.25-30Vrms,它的直流輸出等于輸入正弦的有效值。
交-直流比率:1:1
比率準確度:5V以上(1MHz,10mΩ負載)±0.5dB,5V以下,±1dB
頻率響應:100kHz-100MHz,±0.5dB;100MHz-200MHz,±1dB;200MHz-500MHz(相對于1MHz),±3dB
擴展頻率響應:20kHz-700MHz
響應:根據輸入峰值,按正弦波有效值校準
電壓范圍:0.25-30Vrms
*大輸入電壓:30V有效值,200V直流
輸入電容:約3pF
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