产品特点
可作为通用宽带放大器使用
拾取模式可对直通信号进行采样放大
光电二极管模式提供偏压，支持将高速光电二极管置于同轴电缆末端
固定增益40dB（100倍），带宽覆盖DC至1GHz
典型上升时间低于350皮秒
支持直流偏置调节
采用标准12伏电源供电
紧凑挤压外壳标配安装法兰
产品描述
J750是一款一体式DC至1GHz电信号放大器。该设备适用于通用仪器测量领域，具备直通信号拾取与光电二极管应用功能，为高频信号处理提供灵活可靠的放大解决方案。
| FUNCTION | Fixed-gain, general-purpose DC to 1 GHz amplifier with loop-through and photodiode modes |
| INPUT | Input signal level: ≤ ±20 millivolts, peak Input impedance: 1 kΩ (50 Ω when loop-through connector is terminated) Highland J50 SMB terminator is furnished |
| GAIN | 40 dB (100x) into Hi-Z load, non-inverting 34 dB (50x) into 50 Ω load, non-inverting |
| OUTPUT | Output signal level: ≤ ±2 volt, peak (Hi-Z load) ≤ ± 1 volt, peak (50 Ω load) Output impedance: 50 Ω, source terminated |
| BANDWIDTH | DC to 1 GHz |
| NOISE | 5 mV RMS into 50 Ω load, typical Equivalent to 100 µV RMS input noise, 3.2 nV/√Hz |
| DC OFFSET | Adjustable ± 1 volt (Hi-Z load, relative to output) ± 500 millivolts (50 Ω load, relative to output) |
| BIAS CURRENT | 8 µA, typical |
| PHOTODIODE EXCITATION | +9 volts on coaxial cable shield, user selectable On/Off |
| OPERATING TEMPERATURE | 0 to 60ºC; extended MIL/COTS ranges available |
| CALIBRATION INTERVAL | One year |
| POWER | +12 volts at 100 mA, max J12 12 volt power supply adapter furnished |
| CONNECTORS | Gold plated SMB Input, Loop/Term, Output jacks 2.1 mm X 5.5 mm barrel power connector |
| INDICATOR | LED: green power |
| PACKAGING | 3.3″ (L) x 2.1″ (W) x 0.9″ (H) extruded anodized aluminum enclosure J732 mounting flange included |
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