| 系统性能： |
| 能谱分辨 |
145 to 260 eV FWHM @5.9 keV. Depends on detector, peaking time, and
temperature. |
| 能量范围 |
Efficiency is >25% for X-rays from 1.5 to 25 keV. May be used
outside this range with lower efficiency. |
| 最大计数率 |
Depends on peaking time. Recommended maxima for 50% dead time with
pile-up-rejection enabled are shown below.
| DP4 Peaking Time (µs) |
2.4 |
6.4 |
25.6 |
| Shaping Time (µs) |
1.0 |
2.9 |
11.6 |
| Recommended max rate |
1.2 x 105 |
4.6 x 105 |
1.2 x 104 |
|
| 探测器和前放： |
| 探测器种类 |
Si-PIN 或 CdTe |
| 探测器活性区 |
5 mm2 到 25 mm2 |
| 探测器厚度 |
300 µm, 500 µm, 或 680 µm |
| Be窗厚度 |
1 mil (25 µm) 或 0.5 mil (12.5 µm) |
| 电子制冷 |
2级 |
| 前放种类 |
Amptek custom design with reset through the HV connection. |
| 脉冲处理器： |
| 粗调增益 |
4个设置可通过软件选择: x11, x21, x55, and x106. |
| 细调增益 |
可通过软件选择 0.75 到
1.25, 10 位分辨率. |
| 系统增益 |
At 1k channels, 7 to 110 eV/channel, so 7 to 110 keV full scale. |
| 增益稳定性 |
<100 ppm/deg C (typical) |
| 脉冲形状 |
Trapezoidal |
| Peaking Time |
24 software selectable peaking times between 0.8 and 102 µs,
approximately log spaced, corresponding to semi-gaussian shaping times
of 0.4 to 45 µs. |
| Dead Time |
Total dead time is 1.25 times the peaking time. No conversion time. |
| Fast Channel Pulse Pair Resolving Time |
600 ns |
| MCA |
| 通道数量 |
可通过软件选择: 8k, 4k, 2k, 1k, 0.5k, or 0.25k
通道 |
| Presets |
Time, total counts, counts in an ROI, counts in a single channel |
| 通信 |
| USB |
1.1 (2.0 compatible) at full speed (12 mbps) |
| 串口 |
标准RS232，波特率可达 57.6 kbaud |
| 电源 |
| 输入电源 |
+5 VDC at 250 mA (1.2 W) |
| 输入电源范围 |
4 V to 6 V (300 to 200 mA, 500 mA max) |
| 高压电源 |
Internal multiplier, adjustable to 400 V |
| 电子制冷电源 |
Closed loop controller with Delta_Tmax = 85 °C |
| 使用环境 |
| 使用温度 |
0 °C to 40 °C |
| 总功耗 |
<1 Watt |
| 保修期 |
1 年 |
| 典型寿命 |
5 到 10 年,
取决于如何使用 |
| 存储时间 |
干燥环境下10+ 年 |
| 联线 |
| USB |
Standard USB Mini 1.1 jack |
| RS232 |
Standard 2.5 mm stereo audio jack.
| Tip |
Transmit |
To PC Receive DB9 pin 2 (DB25 pin 3) |
| Ring |
Receive |
To PC Transmit DB9 pin 3 (DB25 pin 2) |
| Sleeve |
Ground |
To PC Ground DB9 pin 5 (DB25 pin 7) |
|
| 电源 |
中心正极 5.5 mm x 2.1 mm |
| 软件界面 |
| Amptek ADMCA 软件提供X-123所有的数据采集，控制和显示功能。Amptek也可以提供DLL库供用户自己开发软件使用。 |
STEVEN SEPVEST CORP.
