放大器 宽带 增益 输入电压噪声 阻抗 接口 输入连接 尺寸 DHPVA-101 DC-100MHz 10-60dB 2.5 nV / √Hz 50 Ω 25-Pin D-SUB Single Ended 157x51x27mm DHPVA-201 DC-200MHz 10-60dB 2.5 nV / √Hz 50 Ω 25-Pin D-SUB Single Ended 157x51x27mm DLPVA-100-B-S DC-100kHz 20-80dB 2.4 nV / √Hz 1 MΩ 25-Pin D-SUB Single Ended 157x51x27mm DLPVA-100-B-D DC-100kHz 20-80dB 3-6 nV / √Hz 1 MΩ 25-Pin D-SUB Differentia 157x51x27mm DLPVA-100-F-S DC-100kHz 20-80dB 5.5 nV / √Hz 1 TΩ 25-Pin D-SUB Single Ended 157x51x27mm DLPVA-100-F-D DC-100kHz 20-80dB 6.9 nV / √Hz 1 TΩ 25-Pin D-SUB Differentia 157x51x27mm DLPVA-100-BUN-S AC-100kHz 40- 100dB 0.4 nV / √Hz 1 kΩ 25-Pin D-SUB Single Ended 157x51x27mm DLPVA-100-BLN-S DC-100kHz 40- 100dB 0.7 nV / √Hz 1MΩ 25-Pin D-SUB Single Ended 157x51x27m HVA-10M-60-B DC-10 MHz 40/60dB 0.9 nV 50 Ω Single Ended 94x51x27mm HVA-10M-60-F DC-10 MHz 40/60dB 4.7 nV 1M Ω Single Ended 94x51x27mm HVA-200M-40-B DC-200MHZ 20/40dB 1.2 nV 50 Ω Single Ended 94x51x27mm HVA-200M-40-F DC-200MHZ 20/40dB 4.5 nV 1 MΩ Single Ended 94x51x27mm HVA-500M-20-B DC-500MHZ 20dB 3.0 nV 50 Ω Single Ended 94x51x27mm