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厂家:韩国protek
20mhz?示波器
双通道、4踪
20mhz?带宽
5倍放大器
x-y运行

20mhz bandwidth

1mv/div vertical sensitivity

alternate trigger for a stable display of unrelated signals

x5 sweep magnification

large 6 inch crt with internal graticule, for parallax free measurements

autofocus

internal sync separator circuit for stable triggering on video signals

lightweight with low power consumption

specifications

vertical amplifier

(ch 1 and ch 2)

sensitivity: 5mv/div to 5v/div in 10 steps (1-2-5 seq);

x5 mag: 1mv/div to 1v/div

accuracy: ±3% (5% in x5 mag)

bandwidth (-3db): dc to 20mhz

rise time: < 17.5ns

input impedance: 1mw + 25pf

input coupling: ac-gnd-dc

invert channel: ch2

display modes: ch1, ch2, add, dual

chop frequency: 250khz ±3%

maximum input voltage: 400v (dc or ac peak)

ch1 signal output: 20mv/div into 50w: (50hz to 5mhz)

horizontal sweep

sweep time: 0.1μs/div to 0.2s/div in 20 steps

(1-2-5 seq); x5 mag: 20ns/div to 40ms/div

accuracy: ±3% (±5% in x5 mag)

display mode: a, alt-mag, xy

sweep magnifier: x5 ±5%

trace sep: 1.5 div min

horizontal amplifier

linearity: ±3% (±5% in x5 mag)

x-y mode: ch 1-x axis, ch 2-y axis

sensitivity: same as ch 1 vertical amplifier

bandwidth (-3db): dc to 500khz

phase error: 小于等于 3° dc to 50khz

triggering

modes: auto, norm, tv-v, tv-h

source: ch 1, ch 2, line, ext

coupling: ac

slope: positive or negative

trigger sensitivity:

int: dc to 2mhz (2 div), 2mhz to 20mhz (3 div)

ext: dc to 2mhz (200mv p-p), 2mhz to 20mhz (300mv p-p)

tv synch: int (1 div min), ext (1 v p-p min)

tv-h (evision line synchronizing freq)

tv-v (evision frame synchronizing freq)

automatically switched by the a time/div front panel control

external trigger input:

input impedance: 1 mw + 20pf

maximum input volts: 300v (dc or ac peak)

z axis modulation

sensitivity: 5v p-p (intensity increases with a negative

going input)

bandwidth (-3db): dc to 2mhz

input impedance: approx. 33 kw

maximum input voltage: 30v (dc or ac peak)

calibrator signal

frequency: approx. 1khz (±20%)

voltage: 0.5v p-p ±3%

duty cycle: approx. 50%

crt

type: 6" rectangular crt with illuminated internal 8 x 10 div

graticule (1 div = 1cm)

acceleration voltage: 2kv

general specifications

power requirements:

ac input voltage: 100v, 120v, 220v, 240v ±10% se-lectable

frequency: 50/60hz

power consumption: 35w

operating temperature: 0 to 40°c

size: 5.5h x 13.4 w x 14.8d

weight: 24 lbs