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<< Kenwood Oscilloscopes

Kenwood DCS-7020 and DCS-7040
Digital Storage Oscilloscope

  • Single roll
  • Pre-triggering
  • Overwrite
  • External clock input
  • Memory
  • Peak detector
  • 2-channel simultaneous sampling
  • Optional interfaces

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Kenwood CS-7020 Shown

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With the storage menu and triggering function concentrated to assure safe use by anyone engaged in the production and a clear panel layout showing operations at a glance the DCS-7000 Series of oscilloscopes are easy-to-use models even for beginners in spite of the many versatile functions packed in each unit. The maximum sampling rate of 40 MS/s (DCS-7040) enables advanced waveform observations and an analog function (50 MHz) is also incorporated so that each model can play two roles of digital and analog. Each channel has a 4K-word acquisition memory. The peak detector and overwriting functions are provided in pursuit of a compatibility between the ease of use and the high functionality. Optional interfaces can also be installed so the waveforms displayed on the CRT can be hard-copied on a plotter or a special printer.
 
 

SPECIFICATIONS

CRT
Type 150mm rectangular, with internal graticule
Accelerating voltage Approx. 12kV
Effective area 8div.×10div. (1div=10mm)
Vertical axis (Common for CH1, CH2)
Operating modes CH1, CH2, ADD, ALT, CHOP
Sensitivity 1mV/div., 2mV/div. : ±5%
5mV/div. to 5V/div. : ±3%
Attenuator 1mV/div. to 5V/div., 1-2-5 step, (fine adjustment)
 Input impedance 1MΩ±2%, approx. 25pF
Frequency response
DC DC to 50MHz, (-3dB)(5mV/div to 5V/div.)
DC to 20MHz, (-3dB)(1mV/div, 2mV/div.)
AC 5Hz to 50MHz, (-3dB)(5mV/div to 5V/div.)
5Hz to 20MHz, (-3dB)(1mV/div to 2mV/div.)
Rise time Approx. 7ns (5mV/div. to 5v/div.)
Approx. 17.5ns (1mV/div., 2mV/div.)
Crosstalk Below -40dB (at 1kHz)
Polarity inversion CH2 only
CHOP Frequency Approx. 250kHz
Maximum input voltage 800Vp-p or 400V (DC+AC peak)

Horizontal axis

Operating modes Set to X-Y mode by H MODE
CH1 : Y-axis、CH2 : X-axis
Sensitivity Same as Vertical axis (CH2)
Input impedance Same as Vertical axis (CH2)

Frequency response

DC DC to 1MHz, within -3dB
AC 5Hz to 1MHz, within -3dB
X-Y phase difference Below 3 degrees at 50kHz
Maximum input voltage Same as vertical axis (CH2)
Sweep
Sweep modes A sweep. B sweep, ALT
Sweep time
A 0.5s/div to 0.1µs/div±3% in 1-2-5 steps,21 ranges, and fine adjustment
B 50ms/div to 0.1µs/div±3% in 1-2-5 steps, 18 ranges
Magnified sweep ×10±5% (±8% at 0.5μs/div)
Linearity ±3% (10MAG ±5%)
Delay method Continuous delay, synced delay
Delay time 0.5s/div to 0.1µs/div ; continuously variable from 0.2div.~10div.
Delay time error ±(3% of set value 1% of f.s.) + (0 to 300ns)
Delay jitter 10,000 : 1 of 10 times of the A sweep time
Hold off A Sweep : Continuously variable from NORM
Trace separation B separation from A is continuously adjustable to approx. ±4 div.

Triggering

Trigger sources VERT, CH1, CH2, LINE, EXT
Mode AUTO, NORM, FIX, SINGLE
Trigger coupling AC, HFrej, DC, TV-FRAME, TV-LINE

Trigger sensitivity

Trigger coupling Synced range frequency range Internal sensitivity (amplitude) External sensitivity (amplitude)
    NORM FIX NORM FIX
DC DC to 20MHz 1div. 1.5div. 100mV 150mV
  20MHz to 50MHz 1.5div. 2div. 150mV 200mV
AC 10Hz to 20MHz 1div. 1.5div. 100mV 150mV
  20MHz to 50MHz 1.5div. 2div. 150mV 200mV
HFrej Minimum triggering amplitude increases above 10kHz
TV TV-F, TV-L Comp.video 1.5div. 1.5div. 150mV 150mV
Calibration voltage 1Vp-p±3% (positive polarity, approx. 1kHz, square wave)
Intensity modulation
Input voltage TTL level (+5V) diminishes as positive polarity
Input impedance Approx. 10kΩ
Frequency range DC to 3.5MHz
Input range 100Vp-p or 50V (DC+AC Peak, 1kHz or under)
Output voltage Approx. 50mVp-p/div
Output impedance Approx. 50Ω
Frequency response 5mV to 5V/div. : 100Hz to 50MHz (-3dB)
1mV to 2mV/div. : 100Hz to 20MHz (-3dB)
Trace rotation Enables trace rotation adjustment by semi-fixed controller on the panel
Storage section
Vertical resolution 8bit (25dot/div.)
Dynamic range ±5div
DC DC to 16MHz [8MHz] (sine interpolation)
AC 5Hz to 16 MHz [8MHz] (sine interpolation)
Rise time Below 40ns [80ns] (With linear interpolation)
Display memory (data) 2KW/CH (200dot/div)
Display memory (REF) 2KW/CH
Acquisition memory 4KW/CH
REF memory 2KW/CH
Display memory (data) 2KW/CH (200dot/div.)
Display memory (REF) 2KW/CH
Acquisition memory 4KW/CH
REF memory 2KW/CH
Memory backup Battery backed up for approx. 30,000 hrs. (at normal temperature)

Acquisition memory

4KW/CH
REF memory 2KW/CH
Sweep time・Display mode
NORM sampling 0.1µs/div. to 500s/div.(0.1µs/div. to 2µs [5µs]/div. in the MAG range) (Maximum sampling rate : 40MS/s [20MS/s])
Peak detector 10µs [20µs]/div. to 500s/div.
Roll mode 0.2s/div. to 500s/div.
Storage mode
AUTO Same operation as NORM for the same period, free-running data updating in other cases.
NORM Data updated each time an acceptable trigger is received.
SINGLE Data is storaged with the first acceptable triggering after resetting and held
AVG (Averaging) Average of 4 or 16 or 64 times
SMT (Smoothing) Data writing point will be averaged following 32 words.
PST (Persistence) Mutual display of maximum and minimum values in storage, and initialization by PST RESET.
PEAK 25ns glitch detection
ROLL NORM : Continuous recording and updating of data on the CRT. 
SINGLE : After receiving the acceptable trigger, the pre-triggering data is updated and the data is stored.
Magnification, Compression
Magnification By pressing X10 MAG under Hold conditions, 10-times magnification is obtained by linear interpolation around the CRT center.
Interpolation Linear interpolation, sign interpolation

Trigger・Delay

Pre-trigger NORM : 0 to 20div. (in 2.5div steps)
ROLL-SINGLE : 10div. to 20div.(in 2.5div steps)
Usage of B triggering AFT.DLY : B STARTS AFTER DELAY TIME
B TRIG´D : B TRIG´D AFTER DELAY TIME
Effective storage frequency range DC to 16MHz [8MHz] (-3dB Adjustable sampling rate for the SWEEP TIME /DIV.)
External clock Carries out sampling by first transition of signals input from the external clock terminal when setting SWEEP TIME/DIV to EXT.
Input impedance 1MΩ ±2%、Approx. 25pF
Maximum input voltage 100Vp-p or 50V (DC+AC peak, 1kHz or below)
Input signal level TTL 
"L" level+0.4V or less 
"H" level+3.2V or more
Input signal frequency range DC to 1MHz (1 kHz in roll mode)
Input signal duty ratio 20% to 80% (at "L" level+0.4V, "H" level +3.2V)
Waveform calculation +, -
PLOT OUT (Display hardcopy)
Output HP-GL command, CRT display hardcopy (only data transfer)
Baud rate 9600/1200 bps
Transfer type data length=8bit, no parity 
stop bit=1bit or more
Readout section
Display Capable of ON/OFF by pressing and holding the CURSOR MODE switch for about 1 second.
Calendar
Display Year / month / day / hour / minute
Clock accuracy ±2minutes/month
Battery life Approx. 30,000 hours (at room temperature)
Setting values
Vertical axis related items CH1, CH2 scale factors (with probe detector) V-UNCAL, ADD, INV
Horizontal axis related items (A, B) sweep scale factor (MAG conversion), ×10MAG, X-Y, external clock SWEEP VARIABLE UNCAL
Trigger-related items DELAY TIME, B TRIG´ D
Storage related items X-Y sampling rate, display scroll, setting storage function (kind of PEAK, AVE and count, SMT, PST, ROLL, kind of interpolation pre-trigger, point, REF memory setting condition, menu, OUTPUT)
Cursor measurement
Cursor modes ΔV1, ΔV2, ΔT, 1/ΔT, RATIO (V or H) PHASE (at VARI UNCAL)
Measuring resolution 10bit
Measuring accuracy ±4%
Vertical direction ±3.6 div. or more at center of CRT
horizontal direction ±4.6 div. or more at center of CRT
Other
Case dimensions 305 (W)×150 (H)×400 (D) mm
Maximum dimensions 347(W)×165 (H)×459 (D) mm
Weight Approx. 9.6kg
Temperature/humidity 
for characteristics in spec.
10°C to 35°C, 85% or less
(without condensation)
Temperature/humidity 
for operation
0°C to 40°C, 85% or less
(without condensation)
Accessories
Probe PC-53 (2)
  Power cable (1)
Instruction manual (1)
Alignment tool (1)
Options
OUT PUT Makes possible mounting of optional IF-10 or IF-20 (but simultaneous mounting is not possible).
IF-10 GP-IB (complies with IEEE-488 1978)
Operation Outputs screen numerical data and screen readout data through GP-IB interface computer. (TALK ONLY, HP-GL command). Plot out the screen waveform and screen readout data to the GP-IB interface plotter.
IF-20R EIA RS-232C interface
Operation Prints out screen waveform and screen readout data with an RS-232C printer (only model DPU-412 made by Seiko Electronics, Ltd.). Outputs screen waveform data and screen readout data to the RS-232C interface computer.
Baud rate 9600/1200bps
Transfer type Data length=8 bits without parity 
Stop bit length=1 bit or more
Delimiter=CR+LF 
Handshake=CTS-RTS system
 
Ordering Information

Model

Description BuyPrice
DCS7020  Kenwood DCS-7020 20 MS/s 2 CH Digital Storage Oscilloscope, - Special Price! Click to add item to cart $1,943.58
(Reg. $2,234.00)
DCS7040  Kenwood DCS-7040 40 MS/s 2 CH Digital Storage Oscilloscope - Special Price! Click to add item to cart $2,208.06
(Reg. $2,538.00)
Included Accessories
 
  • 2 - PC-53 Probes
  • 1 - Power Cable
  • 1 - Instruction Manual
  • 1 - Alignment Tool

Included

Replacement Parts
PC53  Kenwood PC-53 Probe, 10:1, DC to 50 MHz, R/O Terminal - Special Price! Click to add item to cart $67.86
(Reg. $78.00)
 

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