Analog OSCILLOSCOPE

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Máy Hiện Sóng Tương Tự AT7328

Code: #AT7328/AT7340/AT7328S/7340S(2)

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Máy Hiện Sóng Tương Tự Analog OSCILLOSCOPE

AT7328 Introduction

20MHz/40MHz Dual Channel

High Sensitivity 1Mv/DIV

5mV/div Sensitivity on Both Channels

CH1 & CH2 Independent Channels

CH1 Signal Output

Two waveforms in different frequency can be observed via alternative trigger function

High-speed sweep

Algebraic Addition and Subtraction

X-Y Operation

0.2μs/div to 0.5s/div Time Base(Uncal upto 20ns)

Z Modulation TTL Level

8 x 10 cm Display Internal Graticule

TV signal synchronous function, TV Triggering Frame (V) & Line (H)

Line Trigger

ALT Triggering

VERTICAL AXIS
Sensitivity
5mV~5V/DIV, 10 steps in 1-2-5 sequence (X5 MAG: 1mV/DIV)
Sensitivity accuracy
≤3% (×5MAG: ≤5%)
Vernier vertical sensitivity
continuously variable to 1/2.5 or less of panel-indicated value
Frequency bandwidth
DC-20MHz (×5MAG:DC-7MHz)
DC-40MHz (×5MAG:DC-15MHz)
AC coupling
Low limit frequency 10Hz. (With reference to 100KHz,8DIV.Frequency response with-3dB)
Rise time
Approx.17.5Ns (×5MAG:Approx.50Ns) / 9.5nS (X5MAG: 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: 5mV~5V/DIV; ±0.5 DIV, 1mV~2mV/DIV±2.0DIV
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) When set probe switch at 1:1, the maximum effective readout is 40Vp p(14Vrms at sine wave); or set probe switch at 10:1, 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)
 1000:1 at 50 MHz;  30:1 at 20MHz;  30:1 at 40MHz
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)
 
 
HORIZONTAL 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
 
TRIGGERING
Triggering source
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