اطلاعیه

**roberto** · 2012-07-12T00:12:14

پاسخ : اسکپ ماتریکس

سلام
این اسکوپ چینی معمولا جز ارزونترین هاست که خیلی از واحد های دانشگاهی در ازمایشگاهاشون از همین جنس استفاده میکنن.
مدل MOS-620CH که قیمت روزش 340000 تومان هستش.

VERTICAL AXIS
• Sensitivity: 5Mv~5V/DIV, 10 steps in 1-2-5 sequence
• Sensitivity accuracy: ≤3% (×5MAG: ≤5%)
• Vernier vertical sensitivity:
• To 1/2.5O or less of panel-indicated value
• Frequency bandwidth:
• DS-20MHz (×5MAG

C-7MHz)
• AC coupling: Low limit frequency 10Hz.
• (With reference to 100KHz,8DIV.Frequency response with-3Db)
• Rise time: Approx.17.5Ns (×5MAG:Approx.50Ns)
• Approx.8.75Ns (×5MAG:Approx.25Ns)
• 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: Adjustable on panel
• Linearity: ﹤ ±0.1DIV of amplitude change when waveform of 2 DIV at graticule center is
moved vertically.
• Vertical modes:
• CH1 single channel.
• 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 :
• 300V peak (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 50 MHz
• ＞ 30:1 at 20MHz
• CH1 signal output:
• At least 20Mv/DIV into a 50 ohm termination.
• Bandwidth is 50Hz to at least 5MHz.
• 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: 1.0DIV,
• TRIG-ALT: 2DIV,EXT:200Mv
• 2MHz-20MHz: 1.5DIV
• 20MHz-40MHz: 2.0DIV
• TRIG-ALT: 3DIV,EXT:800mv
• 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:1M ohm//approx.25pf
• Max input voltage: 300V(DC+AC peak), AC: frequency not higher than 1KHz.
•
• HORIZIONAL AXIS
• Sweep time: 0.2μSec-0.5Sec/DIV,20Steps in 1-2-5sequence.
• Sweep time accuracy: ±3%
• Vernier sweep time control: ≤1/2.5 of panel-indicated value.
• Sweep magnification: 10 times
• ×10MAG sweep time accuracy: ±5%(20nsec-50nsec are uncalibrated)
• Linearity: ±3%,×10MAG: ±5%(20ns and 50ns are uncalibrated)
• Position shift caused by×10MAG: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: ≤3°at DC-50KHz
•
• Z AXIS
• Sensitivity: 5Vp-p (positive-going signal decreases intensity)
• Frequency bandwidth: DC-2MHz
• Input resistance: Approx,47k ohm
• Maximum input voltage: 30V (DC+AC peak, AC frequency ≤1KHz)
• CALIBEATION VOLTAGE
• Waveform: positive-going square wave
• Frequency: Approx,1KHz
• Duty ratio: within 48:52
• Output voltage:2Vp-p ±2%
• Output impedance: Approx,1K ohm
•
• CRT
• Type: 6-inch rectangular type, internal graticule
• Phosphor: P31
• Acceleration voltage: approx 2KV
• Effective screen size: DIV(1 DIV=10mm(0.39in))
• Graticule: internal
• Trace rotation: provided
NOTE ：
• 20MHz Dual Channel
• High Sensitivity 1Mv/DIV
• Z Axis Input
• CH1 Output
• 10 times sweep magnification
• TV Synchronization, X-Y mode
• High luminance, internal graticule Toshiba CRT
• Japanese electronic encoder, light, handy and reliable
• Fully sealed long live vertical mode switch
• ALT Triggering Function, two independent signals simultaneous observation
• Triggering level lock function. Automatic synchronize function

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اسکپ ماتریکس

اسکپ ماتریکس

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