HVA-200M-40-F数字信号放大微弱电压信号放大器FEMTO
品牌:FEMTO | 型号:HVA-200M-40-F | 加工定制:是 | ||||
外形尺寸:见详情 mm | 重量:见详情 ㎏ | 用途:见详情 |
HVA-200M-40-F数字信号放大微弱电压信号放大器FEMTO
For optimum signal-to-noise performance choose an amplifier with sufficient bandwidth corresponding to the required signal bandwidth. However, keep in mind that unnecessary high bandwidth introduces more wideband noise. Therefore, FEMTO offers HVA Voltage Amplifiers with three different upper cut-off frequencies to match individual measurement requirements. And as with all FEMTO Adjustable-Gain Amplifiers the bandwidth remains constant when switching between the different gain settings which is very important for measuring fast signals and pulses.
为了获得*佳信噪比性能,请选择带宽足够、与所需信号带宽对应的放大器。但请注意,不必要的高带宽会引入更多的宽带噪声。因此,FEMTO 提供三种不同上限截止频率的 HVA 电压放大器,以满足不同的测量需求。与所有 FEMTO 可调增益放大器一样,在不同增益设置之间切换时,带宽保持恒定,这对于测量快速信号和脉冲至关重要。
特征
▪带宽直流达10,200或500 MHz
▪固定或可变增益达60 dB(×100,000)
▪噪声低至0.9nV/√Hz
▪真正可切换直流耦合,可切换至交流
▪50Ω两级或1MΩFET输入级
非常低的输入噪声低输入噪声对于一个好的信噪比来说非常重要,特别是在放大小信号时。所有的HVA放大器对于输入噪声降至*小以达到一个低至0.9nV/√Hz的值。
应用
▪示波器和前置瞬时记录器
▪光电倍增管和微通道金属版放大器
▪时间分辨率脉冲和瞬间测量
▪数字信号放大器(任何数字码都没有基线位移)
电源:PS-15-25-L
型号 | HVA-10M-60-B | HVA-10M-60-F | HVA-200M-40-B | HVA-200M-40-F | HVA-500M-20-B |
低截止频率 | DC/1 kHz | DC/1 Hz | DC/1 kHz | DC/1 Hz | DC |
高截止频率 | 10 MHz | 10 MHz | 200 MHz | 200 MHz | 500 MHz |
增益(dB) | 40/60 | 40/60 | 20/40 | 20/40 | 20 |
输入电压噪声[/√Hz] | 0.9 nV | 4.7 nV | 1.2 nV | 4.5 nV | 3.0 nV |
输出电压偏压 | 1 µV/°C | 2 µV/°C | 1 µV/°C | 5 µV/°C | 10 µV/°C |
输入阻抗 | 50 Ω | 1M Ω | 50 Ω | 1 MΩ | 50 Ω |