Specifications
20MHz Oscilloscope 40MHz Oscilloscope
Item
Data
AT7328 AT7340
Sensitivity
Accuracy
Trimming Sensitivity
5mV 5v/div
3%
1/2.5 or less than panel graduation
DC 20MHz
Frequency Bandwidth
AC Coupling: 10Hz
Rise Time
Approx.17.5 ns Approx. 17.5 ns
Input Impedance
1M /25PF
Waveform Characteristic
5%(in 10mv/DIV range)
Other Distortion : Add 5% to this Value
DC Balance Shift
5mV--5V/DIV : ±0.5DIV
Linearity
When waveform shift vertically in the center of the grid ,
Amplitude variety is
±0.1DIV
Vertical system
CH1:Channel 1
CH2:Channel 2
DUAL: Channel 1 and Channel 2 display in the same time,
any sweep speed can be able to select interactive or
interrupt mode
ADD: Addition of Channel 1 and Channel 2
Interruption Repetitive Frequency
Approx.250KHz
Input Coupling
AC GND DC
Max Input Voltage
300Vp-p(AC Frequency
1KHz)
When probe sets in 1:1, maximum effective readout value is
40Vpp (14Vrms Sine wave)
When probe sets in 10:1, maximum effective readout value
is 400Vpp(140Vrms Sine wave)
CMRR
50:1(@50KHz sine wave) (If CH1 and CH2 have the
same sensibility)
1000:1 50KHz
Isolation between dual channels
(Within 5mV/DIV)
30:1 20MHz >30:1 40MHz
CH1 Signal Output
Min.20mV/DC (50 output bandwidth 50Hz--5MHz)
Ve
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ic
al
S
ys
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m
CH2 INV BAL
Balance variance ratio 1 DIV(For the center of the scale )
Trigger Source
CH1,CH2,LINE,EXT(When it is DUAL or ADD ,for CH1
and CH2 you can select only one of them , If it is ALT and
TRIG.ALT switch is selected ON , it can be used as
interactive trigger of two different signal . )
Tr
ig
ge
r
Coupling
AC:20Hz20MHz
