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Product ID: MOS-620B (20MHz), MOS-640B (40MHz), MOS-650B (50MHz)

Analogue Oscilloscope
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Analogue Oscilloscope

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Specifications:
  • Horizontal system
    • Sweep time: 0.2usec ~ 0.5sec / 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.
    • x10MAG sweep time accuracy: ±5% (20nsec ~ 50nsec are uncalibrated).
    • Linearity: ±5%, x10MAG: ±10% (0.2s ~ 1us).
    • Position shift caused by x10MAG: 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 vertical axis. (X-axis: CH1 input signal: Y-axis: CH2 input signal).
  • Z axis
    • Sensitivity: 5Vp-p (Positive-going signal: decreases intensity).
    • Frequency bandwidth: DC ~ 2MHz.
    • Input Impedance: Approx. 47kΩ.
    • Maximum input voltage: 30V (DC + AC peak, AC frequency ≤ 1KHz).
  • 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 x 10DIV [1DIV = 10mm (0.39in)].
    • Graticule: Internal.
    • Trace rotation: Provided.
  • Vertical axis
    • Sensitivity: 5mV ~ 20V / DIV, 12 steps in 1-2-5 sequence.
    • Sensitivity accuracy: ≤ 3% (x5MAG ≤ 5%).
    • Vernier vertical sensitivity: Continuously variable to 1 / 2.5 or less of panel - indicated value.
    • Frequency bandwidth:
      • DC ~ 20MHZ (x5 MAG: DC ~ 7MHz).
      • DC ~ 40MHz (x5 MAG: DC ~ 15MHz).
      • DC ~ 50MHz (x5 MAG: 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; 1mV ~ 2mV / DIV ±2.0DIV.
    • Linearity: < ±0.1DIV of amplitude change when waveform of 2DIV at graticule center is moved vertically.
    • Vertically 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.
    • CH1 signal output: At least 20mV / DIV into a 50Ω 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: 0.5DIV, 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 1DIV (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.
Features:
  • High luminance, internal graticule CRT.
  • Encoder for sweep and vert mode switch.
  • ALT triggering function, two independent signals simultaneous observation.
  • Triggering level lock function, automatic synchronize function.
  • Built-in 1000:1 attenuator expended vertical sensitivity to 10V ~ 20V / DIV.
  • 20MHz / 40MHz / 50MHz dual channel.
  • High sensitivity 1mV / DIV.
  • Z axis input.
  • CH1 output.
  • 10 times sweep magnification.
  • TV synchronization, X-Y mode.
Ordering information:

  • Minimum Order: Negotiable
  • TEL: 886-2-27977751
  • FAX: 886-2-27991956
  • Address: No. 17, Alley 53, Lane 22, Wun-Teh Rd., Nei-Hu Taipei, 114 Taiwan



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