台湾固纬数字示波器GDS-2202的特点
200MHz 频宽 2输入通道 1GSa/s 即时取样率以及 25GSa/s 等效取样率 25000点之记忆体长度 5.6 吋 TFT 彩色 LCD 荧幕 支援USB HOST/DEVICE：可使用USB随身碟及 USB 印表机 支援AC/DC电源操作模式（选购）
台湾固纬数字示波器GDS-2202的技术参数：
| VERTICAL | |
| Channels | 2 |
| Bandwidth | DC ~ 200MHz (-3dB) |
| Rise Time | 1.75ns Approx. |
| Sensitivity | 2mV/div ~ 5V/div (1-2-5 increments) |
| Accuracy | ∮(3% x |Readout|+0.05 div x Volts/div+0.8mV) |
| Input Coupling | AC, DC & Ground |
| Input Impedance | 1M∮2%, ~16pF |
| Polarity | Normal & Invert |
| Maximum Input | 300V (DC+AC peak), CATII |
| Waveform Signal Process | + , - , FFT |
| Offset Range | 2mV/div ~ 20mV/div : 0.5V ; 50mV/div ~ 200mV/div : 5V ; 500mV/div ~ 2V/div : 50V ; 5V/div : 300V |
| Bandwidth Limit | 20MHz (-3dB) |
| TRIGGER | |
| Sources | CH1 , CH2 , Line , EXT |
| Modes | Auto-Level, AUTO, NORMAL, SINGLE, TV, Edge, Pulse Width Time-delay(2CH Only), Event-delay(2CH Only) |
| Coupling | AC , DC , LF rej. , HF rej. , Noise rej. |
| Sensitivity | DC ~ 25MHz : Approx. 0.5div or 5mV 25MHz ~ 200MHz : Approx. 1div or 10mV |
| EXT TRIGGER | |
| Range | 15V |
| Sensitivity | DC ~ 30MHz : ~ 50mV ; 30M ~ 200MHz : ~100mV |
| Input Impedance | 1M∮2% , ~ 16pF |
| Maximum Input | 300V (DC AC peak) , CATII |
| HORIZONTAL | |
| Range | 1ns/div ~ 10s/div (1-2-5 increments); ROLL : 250ms/div ~ 10s/div |
| Modes | MAIN, WINDOW, WINDOW ZOOM, ROLL, SCAN, X-Y |
| Accuracy | ∮0.01% |
| Pre-Trigger | 20 div maximum |
| Post-Trigger | 1000 div |
| X-Y MODE | |
| X-Axis Input | Channel 1 |
| Y-Axis Input | Channel 2 |
| Phase Shift | ∮3 at 100kHz |
| SIGNAL ACQUISITION | |
| Real-Time Sample Rate | 1GSa/s maximum |
| Equivalent Sample Rate | 25GSa/s maximum |
| Vertical Resolution | 8 Bits |
| Record Length | 25K Dots maximum |
| Acquisition Mode | Normal, Peak Detect, Average |
| Peak Detection | 10ns |
| Average | 2 , 4 , 8 , 16 , 32 , 64 , 128 , 256 |
| CURSORS AND MEASUREMENT | |
| Voltage Measurement | Vpp , Vamp , V avg , Vrms , Vhi , Vlo , Vmax , Vmin , Rise Preshoot/ Overshoot , Fall Preshoot/Overshoot |
| Time Measurement | Freq , Period , Rise Time , Fall Time , Positive Width , NegativeWidth , Duty Cycle |
| Delay Measurement | Eight different delay measurement |
| Cursors Measurement | Voltage difference between cursors (V) Time difference between cursors (T) |
| Auto Counter | Resolution : 6 digits Accuracy : ∮2% Signal Source: All available trigger source except the Video trigger mode |
| CONTROL PANEL FUNCTION | |
| Autoset | Adjust Vertical VOLT/DIV, Horizontal TIME/DIV, and Trigger level automatically |
| Save Setup | Up to 20 sets of measurement conditions |
| Save Waveform | 24 sets of waveform |
| DISPLAY | |
| TFT LCD Type | 5.6 inch |
| Display Resolution | 234 (Vertically) x 320 (Horizontally) Dots |
| Display Graticule | 8 x 10 divisions ; 8 x 12 divisions (menu off) |
| Display Brightness | Adjustable |
| INTERFACE | |
| Go/NoGo Output | 5V Maximum/10mA TTL Open Collector Output |
| RS-232 Interface | DB 9-pin male DTE RS-232 interface |
| GPIB Interface (Option) | Fully programmable with IEEE 488.2 compliance |
| USB | USB Host/Device 2.0 full speed supported |
| POWER SOURCE | |
| Line Voltage Range | AC 100V ~ 240V , 48Hz ~ 63Hz , Auto selection |
| Battery Power(Option | Battery : 11.1V Li-Ion battery pack Charge Time : 8 hours (Power ON) Operating Time : 3 hours , depending on operating condition |
| MISCELLANEOUS | |
| Multi-Language Menu | Available |
| Online Help | Available |
| Time Clock | Time and Date, Provide the Date/Time for saved data |
| DIMENSIONS &WEIGHT | 254D x 142H x 310W(mm) Approx. 4.3kg |
选购配件
| 型号 | 名称 | 说明 |
| GTP-250A | Test Lead | 10:1 DC~250MHz, 1:1 DC~6MHz / GDS-840 Series |
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