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Iwatsu SS-7804A Analog Oscilloscope

0 reviews | Model: SS-7804

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Oscilloscope, 40MHz 2 ch

DC - 40MHz, 2 CH + ext. trigger input, 3 traces
Cursor measurement function
CH2 output
?2% accuracy for vertical axis sensitivity
Bright and sharp display with 16 kV accelerating voltage CRT (Japan made)
Full TV triggering with TV line selection capability
5-digit frequency counter

Eye-patterns in optical disc manufacturing process
	Click images to enlarge
When evaluating optical discs such as Blu-ray Discs, HD-DVDs, CDs or DVDs, eye patterns need to be observed. With this analog oscilloscope, accurate observation of the eye patterns of high-speed and high-density media is easily possible. * Blu-ray Disc signal eye pattern waveform
Video head frequency modulation signals
	Click images to enlarge
Input and output signals to/from video heads are frequency modulation waveforms. The voltage of recorded or read-out signals to/from the video heads is specified. To observe these FM signals, an analog oscilloscope is indispensable. * VHS deck head signal waveform
ATM 155 Mbps signal eye patterns
	Click images to enlarge
The standard transmission rate for most networked communication systems is 155 Mbps (STM-1). The amount of jitter can be estimated by observing the signal waveform with the eye pattern and following the pulse mask standard. * 155 Mbps signal eye pattern waveform measured with SS-7847A (DC - 470MHz)
Full TV triggering
	Click images to enlarge
TV-V (ODD field, EVEN field, BOTH fields) and TV-H are available. Line number selection in TV-V mode is useful for detailed evaluation of video signals. HDTV can be selected, as well as NTSC or PAL/SECAM (except for SS-7805A/7804A/7802A)
Switching power supply measurement
	Click images to enlarge
A switching power supply unit with a higher harmonics measure switches the voltage of a commercial power supply at high speed. In terms of circuit operation, switching stops at the zero cross of the AC power supply. To observe this condition, an analog oscilloscope is required. Analog oscilloscopes are also superior when simultaneously observing voltage and current waveforms. In addition, when magnifying a switching waveform for observation on an analog oscilloscope, no complicated operations are required to trigger the waveform.

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Description

Manuals/Guides

Manufacturer Specs

	SS-7821A	SS-7811/7810A	SS-7805A	SS-7804A	SS-7802A
Display
CRT	6-inch rectangular, internal graticule (8 x 10 div, with scale illumination) - Japan made				6-inch rectangular, internal graticule (8 x 10 div)
Accelerating voltage	Approx. 16 kV				2 kV
Vertical deflection system
Mode	CH1, CH2, CH3, ADD, ALT, CHOP		CH1, CH2, ADD, ALT, CHOP
Frequency bandwidth
5 mV/div - 5 V/div	DC - 200MHz	DC - 100MHz	DC - 50MHz	DC - 40MHz	DC - 20MHz
2 mV/div	DC - 50MHz	DC - 50MHz	DC - 20MHz	DC - 20MHz	DC - 10MHz
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 Not provided
Rise time (Calculated from freq. bandwidth x rise time = 0.35)	1.75 nsec	3.5 nsec	7.0 nsec	8.75 nsec	17.5 nsec
Signal delay	Available Not provided
Input coupling	AC, DC, GND (The cut-off freq. Is 4Hz with AC coupl.)
Input RC - direct	1 Mω ?1.5% // 20 pF ?2 pF		1 Mω ?1.5% // 25 pF?2 pF
Max. input	1 Mω input : 400 V (DC + AC peak), with 10:1 probe : 600 V (DC + AC peak)
Polarity switching	Possible only for CH2
Probe sensor	1:1, 1:10, 1:100 detection possible
Sensitivity (CH3)	50 mV/div, 100 mV/div, 500 mV/div, ?2% ?		?
Input coupling	AC, DC		?
Triggering
A triggering
Source	VERT, CH1, CH2, CH3, LINE		VERT, CH1, CH2, EXT, LINE
Coupling	AC, DC, HF-REJ, LF-REJ
Level
DC - 5MHz	0.4 div	0.4 div	0.4 div	0.4 div	0.4 div
5MHz - 10MHz	0.4 div	0.4 div	1.0 div	1.0 div	1.0 div
10MHz - 40MHz	1.0 div	1.0 div	1.0 div	1.0 div	1.0 div (-20MHz)
40MHz - 50MHz	1.0 div	1.0 div	1.0 div	?
50MHz - 100MHz	1.0 div	1.0 div	?
100MHz - 200MHz	1.5 div	?	?
B triggering			Not provided
Source	CH1, CH2, CH3, LINE		?
Coupling	AC, DC, HF-REJ, LF-REJ		?
TV triggering	NTSC, PAL/SECAM, HDTV		NTSC, PAL/SECAM
Trigger mode	TV-V (ODD, EVEN, BOTH) line number selectable, TV-H
EXT triggering input
Level
DC - 5MHz	?		80 mV	80 mV	80 mV
5MHz - 20MHz	?		200 mV	200 mV	200 mV
20MHz - 40MHz	?		?	200 mV	?
20MHz - 50MHz	?		200 mV	?	?
Max. input voltage	?		1 Mω : 400 V (DC + AC peak)
X-Y
X-axis	CH1
Sensitivity	Same as CH1
Accuracy	?3%
Bandwidth	DC - 2MHz				DC - 1MHz
Y-axis
Operating channel	CH1, CH2, CH3, ADD CH1, CH2		CH1, CH2
Horizontal deflection system
Horizontal display	A, ALT, B, X-Y		A, X-Y
Mode	AUTO, NORM, SINGLE
A sweep time
Fastest range with mag.	1 nsec/div	2 nsec/div	10 nsec/div	10 nsec/div	20 nsec/div
Slowest range	500 msec/div
B sweep time	-		Not provided
Fastest range with mag.	1 nsec/div	2 nsec/div	?
Slowest range	5 msec/div
Accuracy	A/B ?2%
Delay	Triggered delay CH1, CH2, CH3 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		Not provided
Input channel	CH1, CH2		?
Frequency response	50Hz - 50MHz ?		?
CH2 signal output	DC - 100MHz	DC - 100MHz	DC - 20MHz	DC - 20MHz	DC - 10MHz
Calibrator	Square-wave, 1kHz?0.1%, 0.6 Vp-p?1%
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	ΔV (voltage measurement), Δt (time measurement), 1/Δt(division calculation by Δt)
Frequency counter	5-digit, 0.01%
Frequency range	2Hz - 200MHz, reciprocal	2Hz - 100MHz, reciprocal	2Hz -50MHz, reciprocal	2Hz - 40MHz, reciprocal	2Hz - 20MHz, reciprocal
Save and recall	Up to 32-setup (only for SS-7821A/SS-7811A)		Not provided
Power off set-up	Panel setting before switch is powered off
Back-up	Battery back-up (approx. 30,000 hr)
Power supply	AC 90 V - 132 V/180 V - 250 V, 50Hz - 400Hz, max. 110 VA			AC 100 V/110 V - 120 V/220 V/	230 V - 240 V, 50Hz - 60Hz
Dimensions and weight	272W x 152H x 390L mm, approx. 7.5 kg				272W x 152H x 390L 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 (x 1), probe (x2), fuse (x2), panel cover (x1), operation manual (x 1)				Power cable (x 1),probe (x 2), panel cover (x 1),operation manual (x 1)