岩通類比示波器(IWATSU)
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岩通類比示波器(IWATSU)
SS-7847A
  • SS-7847A

  • DC-470MHz, 4通道
    DC-470MHz, 5mV-50mV/div
    DC-440MHz, 2mV,100mV-5V/div
    其它特性及規格與SS-7840A相同





 規格:

Parameter SS-7847A SS-7840A SS-7830A
Display
  CRT 6-inch rectangular, internal graticule (8 x 10 div, with scale illumination)- Japan made

Accelerating voltage

Approx. 20 kV
Vertical deflection system
  Mode CH1, CH2, CH3, CH4, ADD, ALT, CHOP
Frequency bandwidth
2 mV/div - 5 V/div - DC - 400MHz DC - 300MHz
5 mV/div - 50 mV/div DC - 470MHz - -
2 mV, 100 mV/div - 5 V/div DC - 440MHz - -
VSWR Less than 1.35 through
DC - 400MHz (with 50W input)
Less than 1.35 through
DC - 300MHz (with 50W input)
Sensitivity (CH1, CH2) 2 mV/div - 5 V/div 11-step (1-2-5), 2 mV - 12.5 V/div (with vernier)
Accuracy ±2%
Bandwidth limiter 20MHz or 100MHz 20MHz
Rise time (Calculated from freq.
bandwidth x rise time = 0.35)
745 ps at 20 mV 875 ps 1.17 ns

Signal delay

Available

Input coupling

AC, DC, GND (The cut-off freq. is 4Hz with AC coupl.)
Input RC: direct 1 MW ± 1.5% // 16 pF ±2 pF / 50W input : 50W ±1%
Max. input 1 MW input : ±400 V max. / 50W input : 5 V rms

Polarity switching

Possible only for CH2
Probe sensor 1:1, 1:10, 1:100 detection possible
Sensitivity (CH3, CH4) 100 mV/div, 500 mV/div ±3%

Input coupling

AC, DC
Offset voltage variable range Offset voltage: variable axis range
±1 V : 2 mV/div - 50 mV/div
±10 V : 0.1 mV/div - 0.5 mV/div
±100 V : 1 V/div - 5 V/div

Triggering

 

A triggering

Source CH1, CH2, CH3, CH4, LINE

Coupling

AC, DC, HF-REJ, LF-REJ
Level
DC - 10 MHz 0.4 div
10MHz - 100MHz 1.0 div
100MHz - 400MHz (300MHz) 2.0 div

B triggering

Source CH1, CH2, CH3, CH4

Coupling

AC, DC, HF-REJ, LF-REJ

TV triggering

NTSC, PAL/SECAM, HDTV
Trigger mode TV-V (ODD, EVEN, BOTH) line number selectable, TV-H
TV clamp Back porch level

Event trigger

Count

Setting range: 1 - 65,535, Max. count freq.: 50 MHz

Burst

Time setting range: 0.1 ms - 99.9 s

X-Y
  X-axis CH1
Sensitivity Same as CH1
Accuracy ±2%
Bandwidth DC - 2MHz
Y-axis

Operating channel

CH1, CH2, CH3, CH4, ADD
Horizontal deflection system
  Horizontal display A, ALT, B, X-Y
Mode AUTO, NORM, SINGLE
A sweep time

Fastest range with mag.

500 psec/div 1 nsec/div

Slowest range

500 msec/div
B sweep time

Fastest range with mag.

500 psec/div 1 nsec/div

Slowest range

20 msec/div
Accuracy A/B ±2%
Delay

Triggered delay: CH1, CH2, CH3, CH4
Continuous delay: RUNS AFTER

Delay jitters 1/20,000

Magnifier

10 times
Hold-off time

Variable (up to sweep length or longer)

Auto setup

V/H position, V/H range, trigger

  Input channel CH1, CH2
Frequency response 50Hz - 100MHz
CH2 signal output DC - 200MHz DC - 100MHz
Z-axis input 0.5 Vp-p
Calibrator Square-wave, 1kHz ±0.1%, 0.6 Vp-p ±1%
Power supply for probe Voltage: ±12 V, 2 FET or current probes connectable, Offset control possible
CRT read-out
  Read-out Attenuator range, ADD UNCAL, AC/DC/GND, vertical mode, CH2 polarity, A/B sweep range, x10 MAG, UNCAL, horizontal display mode, hold-off, trigger coupling, trigger source, trigger slope, TV-field, TV-line, TV-system
Cursor measurement DV (voltage measurement), Dt (time measurement),
1/Dt (division calculation by Dt)
Frequency counter 6-digit, ±0.0025%
 

Frequency range

2Hz - 400MHz , reciprocal
Save and recall Up to 256-setup
  Power off set-up Panel setting before switch is powered off
Back-up Battery back-up (approx. 30,000 hr)
Power supply AC 100 V - 240 V, 50/60Hz, max.130 VA

Dimensions and weight

320W x 160H x 420L mm, approx. 8.5 kg
Environment conditions
 

Operating

0°C - +40°C, 90% RH (40°C)

Performance guaranteed

+10°C - +35°C
Standard accessories

Power cable (1), probe (2), fuse (2), panel cover (1), operation manual (1), accessory bag (1)

 

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