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岩通類比示波器(IWATSU)
- SS-7840A/30A
DC-400MHz(SS-7840A),4通道
DC-300MHz(SS-7830A),4通道
TV/視頻同步,能選擇場方式,ODD,EVEN,BOTH
輸入OFFSET功能
內置5位數頻率計數器
具有高速自動設定功能
最大為256個面板設定的保存
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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