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岩通類比示波器(IWATSU)
- 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 |
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Signal delay
|
Available |
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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 |
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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% |
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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 |
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Triggering
|
| |
A triggering
|
| Source |
CH1, CH2, CH3, CH4, LINE |
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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 |
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B triggering
|
| Source |
CH1, CH2, CH3, CH4 |
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Coupling
|
AC, DC, HF-REJ, LF-REJ |
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TV triggering
|
NTSC, PAL/SECAM, HDTV |
| Trigger mode |
TV-V (ODD, EVEN, BOTH) line number selectable, TV-H |
| TV clamp |
Back porch level |
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Event trigger
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| Count |
Setting range: 1 - 65,535, Max. count freq.: 50 MHz
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| Burst |
Time setting range: 0.1 ms - 99.9 s
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| 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 |
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Fastest range with mag.
|
500 psec/div |
1 nsec/div |
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Slowest range
|
500 msec/div |
| B sweep time |
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Fastest range with mag.
|
500 psec/div |
1 nsec/div |
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Slowest range
|
20 msec/div |
| Accuracy A/B |
±2% |
| Delay |
Triggered delay: CH1, CH2, CH3, CH4
Continuous delay: RUNS AFTER
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| Delay jitters |
1/20,000 |
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Magnifier
|
10 times |
| Hold-off time |
Variable (up to sweep length or longer)
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| Auto setup |
V/H position, V/H range, trigger
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| |
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 |
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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 |
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Dimensions and weight
|
320W x 160H x 420L mm, approx. 8.5 kg |
| Environment conditions |
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Operating
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0°C - +40°C, 90% RH (40°C) |
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Performance guaranteed
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+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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