特点：*内附1MHz信号产生器*带宽20MHz，双通道*高感度1mV/DIV*TV分离同步*Z轴输入*ALT同步触发*CH1信号输出*高品质经济选择规格：
 MODELSPECIFICATIONS | GOS-620FG 20MHz OSCILLOSCOPE + FUNCTION GENERATOR |
| 1.OSCILLOSCOPE |
| VERTICALAXIS | Sensitivity | 5mV ～ 5V/DIV, 10 steps in 1-2-5 sequence. |
| Sensitivity Accuracy | 3% ( × 5 MAG : 5%). |
| Vernier Vertical sensitivity | To 1/2.5 or less of panel-indicated value. |
| Frequency bandwidth | DC～20MHz ( × 5MAG: DC～7MHz). |
| AC coupling: Low limit frequency of 10Hz.(With reference to 100kHz, 8DIV. Frequency response at -3dB). |
| Rise time | Approx. 17.5nS (×5 MAG: Approx. 50nS). |
| Input impedance | Approx. 1M ohm // Approx. 25pF. |
| Square Wave Characteristics | Overshoot : 5% ( At 10mV/DIV range).Other distortions and other ranges: 5% added to the above value. |
| DC Balance Shift | Panel adjustable. |
| Linearity | <±0.1DIV of amplitude change when waveform of 2 DIV at graticule center is moved vertically. |
| Vertical modes | CH1: CH1 single channel.CH2: CH2 single channel.DUAL : CH1 and CH2 are displayed. ALT or CHOP selectable at any sweep rate.ADD: CH1 + CH2 algebraic addition. |
| Chopping Repetition Frequency | Approx. 250kHz. |
| Input Coupling | AC, GND, DC. |
| Maximum Input Voltage | 300Vpeak (AC: frequency 1kHz or lower).Set probe switch at1: 1, the maximum effective readout is 40Vpp (14Vrms at Sine wave),set probe switch at10: 1, the maximum effective readout is 400Vpp(140Vrms at Sine wave). |
| Common Mode Rejection Ratio | 50:1 or better at 50kHz sinusoidal wave. (When sensitivities of CH1 and CH2 are set equally). |
| Isolation between channels(At 5mV/DIV range) | >1000:1at 50kHz.>30:1 at 20MHz. |
| CH1 signal output | At least 20 mV/div into a 50Ωterminal, Bandwidth is 50Hz to 5MHz at least. |
| CH2 INV BAL. | Balanced point variation: 1 DIV (Reference at center graticule). |
| MODELSPECIFICATIONS | GOS-620FG 20MHz OSCILLOSOPE + FUNCTION GENERATOR |
| TRIGGERING | Triggering source | CH1, CH2, LINE, EXT (CH1 and CH2 can be selected only in the DUAL or ADD vertical mode).In ALT mode, if the TRIG. ALT switch is pushed in, it can alternate triggering of two different source. |
| Coupling | AC: 20Hz to full bandwidth. |
| Slope | + / -. |
| Sensitivity | 20Hz ～ 2MHz : 0.5 DIV, TRIG-ALT:2 DIV, EXT : 200mV.2 ～ 20MHz : 1.5 DIV, TRIG-ALT:3 DIV, EXT : 800mV.TV : Sync pulse more than 1 DIV (EXT: 1V). |
| Triggering modes | AUTO: Sweeps run in the free mode when no triggering input signal is applied.(Applicable for repetitive signals of frequency 25Hz or over.).NORM: When no triggering signal is applied, the trace is in the ready state, but not displayed.TV-V : This setting is used when observing the entire vertical picture of television signal.TV-H : This setting is used when observing the entire horizontal picture of television signal.(Both TV-V and TV-H synchronize only when the synchronizing signal is negative ) |
| EXT Triggering Signal Input | |
| Input Impedance | Approx.: 1M ohm // approx. 25Pf. |
| Max. Input Voltage | 300V (DC+AC peak), AC: Frequency not higher than 1kHz. |
| HORIZIONAL AXIS | Sweep Time | 0.2μSec ～ 0.5 Sec/DIV, 20 steps in 1-2-5 sequence. |
| Sweep Time Accuracy | ±3%. |
| Vernier Sweep Time Control | 1/2.5 of panel-indicated value. |
| Sweep Magnification | 10 times (maximum sweep time 100nSec/DIV). |
| x10MAG Sweep Time Accuracy | ±5%, (20nSec～50nSec are uncalibrated). |
| Linearity | ±3%, x10MAG:±5% (20ns and 50ns are uncalibrated). |
| Position shift caused by x10MAG | Within 2 div. at CRT screen center. |
| X-Y MODE | Sensitivity | Same as vertical axis (X-axis:CH1 input signal; Y-axis:CH2 input signal.). |
| Frequency Bandwidth | DC to at least 500kHz. |
| X-Y Phase Difference | 30at DC ～50kHz. |
MODELSPECIFICATION | GOS-620FG 20MHzOSCILLOSCOPE + FUNCTION GENERATOR |
| Sensitivity | 5 Vp-p (Positive-going signal decreases intensity). |
| Z AXIS | Frequency Bandwidth | DC ～ 2MHz. |
| Input resistance | Approx. 47KΩ. |
| Maximum Input Voltage | 30V (DC+AC peak, AC frequency1kHz). |
| Waveform | Positive-going Square wave. |
| Frequency | Approx. 1 kHz. |
| CALIBRATION | Duty Ratio | Within 48:52. |
| VOLTAGE | Output Voltage | 2 Vp-p ±2%. |
| Output Impedance | Approx. 1 kΩ. |
| CRT | Type | 6-inch rectangular type, internal graticule. |
| Phosphor | P 31. |
| Acceleration Voltage | Approx. 2kV. |
| Effective Screen Size | 8 x 10 DIV (1 DIV = 10mm (0.39in)). |
| Graticule | Internal. |
| Trace Rotation | Provided. |
| 2.FUNCTION GENERATOR |
| OutputFunction Range | 0.1Hz ~ 1MHz (7 steps). |
| Output Waveform | Sine Wave, Square Wave Triangle Wave. |
| FrequencyVariable Range | 10:1 or more. |
| Output Impedance | 50Ω ± 10%. |
| Output Voltage | Over 14Vp-p (open circuit) continuous conversion.DC offset possible over ± 6V when opened. |
| Sine wave Distortion & Jitter | 2% Max.(10Hz ~ 100kHz), less than 1/33. |
| Square wave Unsymmetry | ±3% or less (in 1kHz maximum). |
| Square wave Rise/Fall Time | 50Ω output: 120nS or less. |
MODELSPECIFICATION | GOS-620FG 20MHzOSCILLOSCOPE + FUNCTION GENERATOR |
| 3.GENERAL |
| Power Source | AC115V, 230V ± 15% selectable, 50Hz or 60Hz. |
| Power Consumption | Approx. 45VA, 40W(max.) |
| Operation Environment | Indoor useAltitude up to 2000 mAmbient temperature :To satisfy specifications :10°to 35℃(50°to 95°F)Maximum operating ranges: 0°to 40℃(32°to 104°F)Relative humidity: 85% RH(max.) non condensingInstallation CategoryIIPollution degree2 |
| Storage Temperature & Humidity | -10°to 70℃, 70%RH(maximum). |
| Accessories | Power cord × 1Instruction manual × 1Probes × 2GTL-101 × 1 |
| Dimensions | 310 (W) x 150 (H) x 455 (D) mm. |
| Weight | Approx.8kgs (17.6lbs). |
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