Specifications

. Digital sweep and vert. selection
. TV synchronization
. Build-in 6 digits frequency counter
. oscilloscope

CQ5640F - DUAL CHANNEL OSCILLOSCOPE

 

Features
. Surface mounting technology
. Digital sweep and vert. selection
. Build-in 6 digits frequency counter
  (CQ5620F/CQ5640F/CQ5660F)
. TV synchronization
. CH1 output
. Triggering level lock
. ALT triggering function
. Z axis input

 

 

Technical Data	CQ5620/5640/5660/5620F/5640F/5660F
CRT
Type	6" rectangle, internalgraticule, 0%, 10%, 90% and 100% marks
Display area	8 x 10DIV (DIV=10mm)
Accelerating voltage	2kV(CQ5620/CQ5620F) 12kV(CQ5640/CQ5640F/CQ5660/CQ5660F)
Intensity and focusing	Continuously adjustable at front panel
Trace rotation	Adjusted at the front panel
VERTICAL SYSTEM
Sensitivity and accuracy	1mV / DIV~5V / DIV ±3% 12 calibration steps in 1-2-5 sequence
Trimming ratio	≥2.5:1
Width of band (-3dB)	DC(AC 10Hz) ~20MHz (CQ5620/CQ5620F)
	DC(AC 10Hz) ~40MHz (CQ5640/CQ5640F)
	DC(AC 10Hz) ~60MHz (CQ5660/CQ5660F)
Rise Time	≤17.5ns (CQ5620/CQ5620F)
	≤9.5ns(CQ5640/CQ5640F)
	≤5.83ns(CQ5660/CQ5660F)
Max. Input Voltage	400V (DC + ACpeak)
Input Coupling	AC, DC, GND
Input Impedance	1MΩ±3% 25pF±5pF
Vertical Mode	CH1, CH2, DUAL (CHOP, ALT) ADD, CH2 inverse
HORIZONTAL SYSTEM
Sweep time	0.2us~0.5s / DIV (CQ5620/CQ5620F)
	0.1us~0.1s / DIV (CQ5640/CQ5640F/CQ5660/CQ5660F)
Sweep accuracy	±3%, ±5% at x10MAG (20nS~50nS/DIV uncalibrated)
Trimming ratio	≥2.5:1
Sweep magnificaton	x10MAG
Max sweep time	10nS/DIV(CQ5640/CQ5640F/CQ5660/CQ5660F)
TRIGGER SYSTEM
Trigger Modes	AUTO,NORM,TV-V,TV-H
Trigger Source	ALT, CH1, CH2, EXT, LINE
Trigger Polarity	"+" or "-"
Trigger sensitivity	1	20Hz~2MHz	2MHz~20MHz	20MHz~60MHz
	CH1 , CH2	0.5DIV	1.5DIV	2DIV
	ALT	2DIV	3DIV	3DIV
	EXT	0.2DIV	0.8DIV	0.8DIV
	TV sync pulse 1DIV or 1V (EXT)
External trigger input	Input impedance: 1MΩ±3% 25pF±5pF
	Max. input voltage: 300V (DC+ACpeak) at 1KHz
FREQUENCY COUNTER
Display	6 digits LED
Accuracy	1Hz(0~1MHz),10Hz (1MHz~10MHz),100Hz (10MHz~60MHz)
Sensitivity	Same as trigger system
X-Y OPERATION
Sensitivity and accuracy	5mV~5V/DIV, ±5% 10 calibration steps 1-2-5 sequence
Width of band (-3dB)	DC (AC 10Hz) ~500kHz
Phase difference	≤3°or less from DC to 50kHz
Axis Z
Sensitivity	5Vp-p
Polarity	Negative going input increase intensity
Input impedance	47KΩ
Usable frequency range	DC~2MHz
Max. input voltage	30V (DC+AC peak) at 1kHz
CALIBRATION	Voltage: 2Vp-p±2%, Frequency: 1KHz±2%, Square wave
POWER SOURCE	110~127 VAC±10%, 220~240VAC±10%, 50Hz±2Hz / 60Hz±2Hz
ACCESSORIES	Instruction manual x 1, Power cable x 1 ,Fuse x 1, Probe x 2
DIMENSIONS & WEIGHT	316mm x 132mm x 410mm Approx 7.8kg