Description

Introduction MCP CQ-620A Analog Oscilloscope 

The MCP CQ-620A Analog Oscilloscope 20MHz captures and displays dual-channel waveforms for engineers, technicians, and students across Bangladesh. The device projects signals on a 6-inch rectangular CRT screen with an internal graticule of 8 x 10 divisions. Technicians measure voltage swings from 5mV/div to 5V/div and observe rise times as fast as 17.5ns. Instructors also demonstrate CH1, CH2, ALT, CHOP, ADD, and INV modes during lab sessions. ASTZ (Advance Science & Technology Zone) supplies this oscilloscope with genuine MCP components and dedicated after-sales support in Dhaka.

Key Features MCP CQ-620A Analog Oscilloscope 

• Displays dual-channel waveforms on a 6-inch rectangular CRT with internal graticule
• Covers a vertical bandwidth of DC to 20MHz and DC to 7MHz in x5 MAG mode
• Switches between CH1, CH2, DUAL (ALT/CHOP), ADD, and CH2 INV vertical modes
• Adjusts sensitivity from 5mV/div to 5V/div, and down to 1mV/div in magnified mode
• Selects trigger sources from CH1, CH2, ALT, LINE, and EXT
• Supports AUTO, NORM, TV-V, and TV-H trigger modes for varied signal types
• Runs X-Y operation with a bandwidth of DC to 500kHz
• Includes a built-in calibrator output of 1kHz square wave at 2Vp-p

SPECIFICATIONS MCP CQ-620A Analog Oscilloscope 

Specification	Details
Brand	MCP
Model	CQ-620A
Bandwidth	20MHz
Country of Origin	China
Category	Analog Oscilloscope

Feature	Specification
CRT Type	6-inch rectangular CRT with internal graticule
Display Grid	8 × 10 divisions (1 div = 1cm)
Accelerating Potential (Z-axis)	2kV
Focus Control	Sensitivity above 5Vp-p
Maximum Z-axis Input Voltage	30V (DC + AC Peak)
Z-axis Bandwidth	DC to 2MHz
Brightness Control	Positive-going Z-axis input decreases brightness

Feature	Specification
Frequency Range	0.1Hz to 1MHz (7 ranges)
Output Waveforms	Sine, Square & Triangle
Frequency Variable Range	10:1 or more
Output Impedance	50Ω (±10%)
Sine Wave Output	>14Vp-p (Open Circuit), Continuously Adjustable
DC Offset	Over 6V (Open Circuit)
Sine Wave Distortion	≤2% (10Hz–100kHz)
Square Wave Asymmetry	≤3% @ 1kHz
Rise/Fall Time	≤120ns @ 50Ω Output

Feature	Specification
Sensitivity	5mV/div to 5V/div (±3%)
x5 MAG Sensitivity	1mV/div to 1V/div (±5%)
Bandwidth	DC to 20MHz
x5 MAG Bandwidth	DC to 7MHz
Rise Time	17.5ns
x5 MAG Rise Time	Approx. 50ns
Maximum Input Rating	300V (DC + AC Peak) @ 1kHz
Input Coupling	AC / DC / GND
Input Impedance	1MΩ // 25pF
Vertical Modes	CH1, CH2, DUAL (ALT/CHOP), ADD, CH2 INV

Feature	Specification
Sweep Time	2s/div to 0.5s/div
Accuracy	±3% (±5% with ×10 MAG)
Fastest Sweep Rate	100ns/div
Uncalibrated Sweep	20ns/div & 50ns/div

Feature	Specification
Trigger Modes	AUTO, NORM, TV-V, TV-H
Trigger Sources	CH1, CH2, ALT, LINE, EXT
Trigger Slope	Positive (+) / Negative (−)

Feature	Specification
Sensitivity	5mV/div to 5V/div (±4%)
X-axis Bandwidth	DC to 500kHz
Phase Error	≤3° (DC to 50kHz)

Feature	Specification
Trigger Output Voltage	Approx. 20mV/div into 50Ω
Trigger Output Bandwidth	50Hz to 5MHz (−3dB)
Trigger Output Impedance	Approx. 50Ω
Calibrator Output	1kHz Square Wave, 2Vp-p ±2%

Feature	Specification
Input Voltage	AC 115/230V ±15%
Frequency	50/60Hz

Feature	Specification
Dimensions (W × H × D)	310 × 150 × 455 mm
Weight	Approx. 8.5 kg

 

Applications

• Electronics labs measure voltage, frequency, and phase across dual channels
• Technicians troubleshoot circuit faults by comparing CH1 and CH2 waveforms
• Instructors demonstrate ALT and CHOP display modes during practical classes
• Engineers test TV video signals using the built-in TV-V and TV-H trigger modes
• Repair centers calibrate other instruments using the onboard calibrator output
• Students study X-Y operation and phase relationships between two signals

Who Uses This

• Electrical and electronics engineering departments
• Polytechnic institutes and technical training centers
• Diploma and vocational electronics students
• TV and appliance repair technicians
• University physics and electronics laboratories
• Private training academies teaching circuit analysis and signal measurement

 

Frequently Asked Questions

Q1: What is the bandwidth of the MCP CQ-620A Analog Oscilloscope 20MHz? The oscilloscope covers a vertical bandwidth of DC to 20MHz, and DC to 7MHz when a technician engages the x5 magnification mode.

Q2: Does this oscilloscope support dual-channel measurement? The oscilloscope supports dual-channel measurement through CH1, CH2, DUAL (ALT/CHOP), ADD, and CH2 INV vertical modes.

Q3: Which trigger modes does the CQ-620A offer? The oscilloscope offers AUTO, NORM, TV-V, and TV-H trigger modes for general and video signal testing.

Q4: What is the price of the MCP CQ-620A Analog Oscilloscope 20MHz in Bangladesh? ASTZ sells the MCP CQ-620A Analog Oscilloscope 20MHz at ৳49,000, though prices may change based on current stock and offers.

Q5: Does ASTZ provide a warranty for this oscilloscope? ASTZ provides a manufacturer warranty and after-sales technical support for every unit sold.

Q6: Who should use this oscilloscope? Electronics students, repair technicians, and lab instructors use this oscilloscope for waveform analysis and circuit troubleshooting.

Q7: Can this oscilloscope run X-Y operation? The oscilloscope runs X-Y operation with a bandwidth of DC to 500kHz and a phase error of 3° or less up to 50kHz.

 

Why Buy From ASTZ

1. ASTZ supplies genuine MCP oscilloscopes directly to Bangladeshi institutions and technicians.
2. The company stocks the MCP CQ-620A Analog Oscilloscope 20MHz in Dhaka and ships orders nationwide.
3. Customers receive a manufacturer warranty and dedicated technical support after purchase.
4. ASTZ’s team also assists with calibration questions and product setup.
5. The store’s physical location at Ittefaq Mor, Dhaka, gives customers the option to inspect the oscilloscope before
6. Educational institutions receive customized quotations for bulk orders upon