Analog Oscilloscope LODESATAR MOS-620CH 20MHz Dual Channel

Description Specifications: *Build-in 6 Digit Frequency Counter *20MHz/40MHz/50MHz Dual Channel *10 times sweep magnification *TV Synchronization, X-Y mod Feature: High luminance, internal graticule CRT Japanese electronic encoder, light, handy and reliable Fully sealed long live vertical mode switch ALT Triggering Function. Two independent signals simultaneous observation Build-in 6 Digit Frequency Counter 20MHz/40MHz/50MHz Dual Channel 10 times sweep magnification TV Synchronization-Y mode Specification Horizontal System Sweep time: 0.2uSec~0.5Sec/DIV,20steps in 1-2-5 sequence; Sweep time accuracy:±3% Vernier sweep time control:≤1/2.5 of panel-indicated and #118alue; Sweep magnification: 10 times; ×10MAG sweep time accuracy: ±5% (20nSec~50nSec are uncalibrated); Linearity:±5%,×10MAG: ±10% (0.2s~1us) Position shift caused by ×10MAG: within 2DIV. At CRT screen center X-Y MODE: Frequency bandwidth: DC to at least 500KHz; X-Y phase difference:≤3°at DC~50KHz Sensitivity: Same as the vertical axis. (X-axis: CH1 input signal; Y-axis: CH2 input signal.); CALIBRATION VOLTAGE Waveform: Positive-going square wave; Frequency: Approx. 1KHz; Duty ratio: Within 48:52; Output voltage: 2Vp-p±2%; Output impedance: Approx.1KΩ  CALIBRATION SIGNAL  Waveform: Positive-going square wave; Frequency: Approx. 1KHz; Duty ratio: Within 48:52; Output voltage: 2Vp-p±2%; Output impedance: Approx.1KΩ  CRT Type: 6-inch rectangular type, internal graticule; Phosphor:P31; Acceleration voltage: Approx.2KV(20MHz)/Approx.12kv(40MHz); Effective screen size:8×10DIV[1DIV=10mm(0.39in)]; Graticule: Internal; Trace rotation: Provided VERTICAL AXIS Sensitivity:5mV~5V/DIV,10 steps in 1-2-5sequence Sensitivity accuracy:≤3% Vernier vertical sensitivity: Continuously variable to 1/2.5 or less of panel-indicated and #118alue Frequency bandwidth: DC~20MHz(x5MAG: DC~7MHz)/DC~40MHz(x5MAG: DC~15MHz)DC~50MHz(X5MAG: DC~15MHz) AC coupling: Low limit frequency 10Hz. (With reference to 100KHz, 8DIV, Frequency response with-3dB.) Rise time: Approx.17.5ns (x5 MAG: Approx.50nS) Approx.8.75ns (x5 MAG: Approx.25nS) Approx.7ns (x5 MAG: Approx.23.3nS) Input impedance: Approx.1MΩ/Approx.25pF DC balance shift: 5mV~5V/DIV: ±0.5DIV, 1mV~2mV/DIV ±2.0DIV Linearity:<±0.1DIV of amplitude change when the waveform of 2DIV at graticule center is moved vertically vertical modes: CH1 single channel; CH2 single channel; DUAL: CH1 and CH2 are displayed Simultaneously. 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); 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): >1000:1 at 50KHz; >30:1 at 15MHz/>30:1 at 35MHz/>30:1 at 45MHz CH2 INV BAL: Balanced point variation:≤1DIV (Reference at center graticule) TRIGGERING Triggering source: CH1,CH2,LINE,EXT Coupling: AC: 20Hz to full bandwidth SLOPE: /- Sensitivity: 20Hz~2MHz:1DIV, TRIG-ALT:2DIV EXT:200mV;TRIG-ALT:3DIV,EXT:800mV; 2~20MHz:1.5DIV;20MHz~40MHz:2.5DIV;40MHz~50MHz:3DIV; TV: Sync pulse more than 1 DIV (EXT:1V) Triggering modes: AUTO; NORM: TV-V: TV-H: (Both TV-V and TV-H synchronize only when the synchronizing signal is negative) EXT triggering signal input: Input impedance/: Approx:1MΩ/approx.25pF; Max. input voltage:300V (DC AC peak), AC: Frequency not higher than 1KHz