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DLPCA-200 BANDWIDTH
The bandwidth of an ideal variable gain amplifier is independent of the gain setting which is very important for measuring fast signals and pulses. The bandwidth of FEMTO's DLPVA Amplifiers remains constant at 100 kHz (-3 dB) up to the highest gain setting. Wideband noise can be reduced by switching the upper cut-off-frequency to 1 kHz.
DLPCA-200可变增益放大器根据本身的特性包装,使用范围宽广,可以使小电流转化成可用电压。它非常适合,例如,为解决当前的时间和电荷的测量到微秒区域和作为前置放大器为光电二极管或锁在系统。DLPCA-200提供可变增益值从103到1011V/A,在微微毫 amp 系列允许电流敏感测量。有开关控制的AC/DC耦合,10Hz低通滤波器和可调节偏压控制科用于改变放大器的不同测量任务和信号状态。可调偏置电压连接到输入插座的盾提供优化的外部二极管连接到放大电路的输入速度和噪音性能。
技术参数:
Model |
DDPCA-200 |
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Performance Range |
Low Noise High Speed |
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Transimpedance [V/A] |
103 |
104 |
105 |
106 |
107 |
108 |
109 |
105 |
106 |
107 |
108 |
109 |
1010 |
1011 |
Bandwidth |
500 |
500 |
400 |
200 |
50 |
7 |
1.1 |
500 |
500 |
400 |
200 |
50 |
7 |
1.1 |
Rise Time |
700 ns |
700 ns |
900 ns |
1.8μs |
7 μs |
50μs |
300μs |
700 ns |
700 ns |
900 ns |
1.8μs |
7 μs |
50μs |
300μs |
Equ. Input Noise |
20 pA |
2.3 pA |
450 fA |
130 fA |
43 fA |
13 fA |
4.3 fA |
13 pA |
1.8 pA |
440 fA |
130 fA |
43 fA |
13 fA |
4.3 fA |
Accuracy Performance |
Gain ±1 %, flatness 0.1 dB |
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Low Pass Filter |
Switchable to 10 Hz |
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Output Performance |
±10 V, ±30 mA |
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Bias Voltage |
±10 V, max. 22 mA, connected to shield of BNC input socket, switchable to GND |
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Power Supply |
±15 V, +120 mA / −80 mA typ., ±200 mA recommended |
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Control Interface |
5 opto-isolated digital inputs, TTL/CMOS compatible, analog offset control voltage input |
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Case |
170 x 60 x 45 mm (L x W x H), Weight 320 g (0.74 lb.) |
应用:
光电二极管和光电倍增管放大器
扫描隧道显微镜
光谱学
粒子加速器/同步加速器束流检测
电流检测器
锁定前置放大器,A/D转换器等
联系人: | 徐小凤 在线咨询 |
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微弱信号放大器,功率计,摆式仪,IP防护等级试具,弹簧冲击锤,高压放大器等 |
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