| 产地：韩国 |
厂商：韩国LG-EZ |
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Main Features |
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20MHz, 2Ch, Dual trace, 1MHz
function generator |
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DC to 20MHz bandwidth, 2 channels,
Dual trace |
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6" rectangular CRT with internal
graticule |
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Variable hold-off for observation
of wave forms with complex periods
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Vertical deflection magnification
X 5 |
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Sensitivity 1mV/div |
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ALT triggering function in
VERT mode |
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CH2 polarity inversion switch |
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High sensitivity X?Y mode
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Sweep magnification (X 5) |
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TV sync. Separator circuit
for stable TV signal observation
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250V maximum input voltage
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Built-in 1MHz function generator
with TTL output |
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CRT |
- Configuration
and useful screen : 6 inch rectangular
screen with internal
graticule, 8X10div.
(1div = 1cm) marking for
measurement of rise time, 2mm subdivisions
along
the central axis. - Acceleration
potential : +1.9kv approx.(ref. Cathode)
- Phosphor : P31
- Focusing : provided
- Trace rotation : provided
- Intensity control : provided
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VERTICAL
DEFLECTION |
- DC coupled(-3dB)
: DC to 20MHz normal / DC to 7MHz magnified
(X 5)
- AC coupled(-3dB) : 10Hz to 20MHz normal
/ 10Hz to 7MHz magnified (X 5)
- Modes : CH1, CH2, ADD, DUAL
(CHOP : Time/div. switch
from 0.2s to 5ms, ALT : Time/div. switch
from 2ms
to 0.2レs) - Deflection factor
(normal) : 5mV/div. to 5V/div. in 10
calibrated
steps of 1-2-5 sequence.
Continuously variable between
steps at least 1:2.5 X 5.
- Deflection factor (5MAG) : 1mV/div.
to 4V/div. in 10 calibrated steps.
- Accuracy : normal 【3%, magnified :
【5%
- Input impedance : approx. 1Mз in parallel
with 25pF
- Maximum input voltage : direct 250V
(DC + peak AC)
- Input coupling : AC, GND, DC
- Rise time : 17.5ns or less (50ns or
less in 5MAG)
- CH1 output : 20mV/div. into 50з /
DC to 10MHz(-3dB)
- Polarity inversion : CH2 only |
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HORIZONTAL
DEFLECTION
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- Sweep mode
: X-Y, x1, x10
- Time base A : 0.2レs/div. to 0.2s/div.
in 19 calibrated steps of 1-2-5 sequence
uncalibrated continuous
control between steps at least 1:2.5
- Hold-off time : variable with hold-off
control
- Sweep magnification : 10 times(maximum
sweep rate : 20ns/div.) 50ms/div.
off A time base are uncalibrated
- Accuracy : 【3%(0∩~ 50∩), 【5%(additional
error for magnifier : 【2%) |
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TRIGGER
SYSTEM |
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Modes : AUTO, NORM, TV-V, TV-H
- Source : CH1, CH2, LINE, EXT
- Coupling : AC
- Slope : + or -
- Sensitivity and frequency in AUTO,
NORM 20HZ - 2MHz :
0.5div. in INT / 0.2Vp-p
in EXT
- Sensitivity and frequency in AUTO,
NORM 2Hz - 20MHz :
1.5div.in INT / 0.6Vp-p
in EXT
- TV-V, TV-H : at least 1div. or 1.0Vp-p
- External trigger input impedance :
1Mз in parallel with approx.
30pF
- Maximum input voltage : 250V (DC +
AC peak) |
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| X-Y OPERATION |
- Sensitivity
: same as vertical deflection for both
X-axis(CH1)
and Y-axis(CH2) except
accuracy 【 5% in X-axis
- X-axis bandwidth : DC to 500kHz (-3dB)
- X-Y phase difference : 3∑ or less
as DC to 50kHz |
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CALIBRATOR |
- Probe adjustment
: approx. 1kHz frequency, 0.5V(【3%)
square wave with
50% duty ratio |
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FUNCTION
GENERATOR |
- Test voltage
: approx. 4.5mVrms(open circuit)
- Test current : max. 6.6mArms(short
circuit)
- Test frequency : approx. 60Hz |
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POWER SUPPLY |
- Line voltage
range : 100V(90-110V) with 250V 2A fuse,
120V(108-132V)
with 250V 2A fuse, 220V(198-242V)
with 250V 1A fuse or 230V(216-250V)
with 250V 1A fuse
- Line frequency : 50/60Hz
- Power consumption : approx. 50W |
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PHYSICAL
CHARACTERISTICS |
- Weight
: 7.4kg
- Dimension : 320mm(W) X 140mm(H) X
430mm(L) |
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OTHERS |
- Accessories
including : Operation manual, Spare
fuse, Power cord
- Optional accessories (sold separately)
: Probe |
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