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Picotest Injector
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Picotest J2200A - Injector注入器,光耦合器 CTR 測量工具 | 洛克Lockinc

J2200A

J2120A- (NEW) Picotest Optocoupler CTR Measurement Kit

產品說明
By providing measurements of CTR, ΔCTR, VF , & ΔRd, the J2200A allows you to gain a greater understanding of the DUT you are using.

This includes factors such as its saturation and operating bandwidth, which are important for optimizing your circuit and meeting power consumption requirements.
使用手冊 (2.8 MB)
功能說明




 

FEATURE: Used for CTR, ΔCTR, VF, & ΔRd Measurements

 

An optocoupler is an electronic component that allows electrical signals to be transferred between two circuits without a direct electrical connection. It consists of a light emitting diode ( LED ) that is optically coupled to a photodetector, such as a phototransistor or a photodiode.

optocouplers come in different types, and the CTR (current transfer ratio) rank is also varied, ranging from 50% to 600%. In addition, the manufacturer's specifications do not provide AC parameters such as △CTR and △Rd, which are necessary for designing isolation feedback control circuits.

To address this issue, the J2200A is an essential tool for engineers in designing isolation feedback control circuits. It provides both AC and DC parameters of various bias voltages, making it easier for engineers to select and design the appropriate optocoupler for their circuit. However, this testing process may not be a one--time task since the optocoupler selection varies depending on the application, and engineers may need to test different optocouplers to find the most suitable one for their circuit design. The range of CTR specifications for optocouplers is also quite wide, varying from 50%~600% in some cases. Precision circuit applications may not be able to tolerance this deviation, especially since the nominal CTR is not defined.

The J2200A optocoupler test instrument  provides various bias conditions for optocouplers and greatly eases the measurement of key parameters, including CTR. The J2200A provides pulse current mode measurement function, which reduces the temperature rise during the testing process improving the accuracy of the  measurement.
Optocoupler procurement is often exempted from incoming component inspection, but given counterfeit products are appearing in the market, optocoupler inspection has become more necessary. The J2200A is a very convenient tool for IQC.


 


 

USAGE 1 - Used as A Circuit Design Tool

Engineers can quickly and easily assess performance characteristics, such as isolated power circuit design,with the J2200A plug and play capabilities.

This is a significant improvement over the past, when building an expensive test station and spending a lot of time tuning CTR values was necessary.

USAGE 2 - Used as An IQC Tester

Using the J2200A to inspect opto-couplers allows you to easily identify any parts that are fake or out-of-specification, even for large quantities of parts.

USAGE 3 - Used as A CTR Ranking Classifier

Effectively categorizing opto-couplers into groups using the J2200A will significantly aid in subsequent work.

For example, the faster you can obtain CTR valuse, the more efficient the design process will be.

 

USAGE 1 -
Used as A Circuit Design Tool
USAGE 2 -
Used as An IQC Tester
USAGE 3 -
Used as A CTR Ranking Classifier
















規格說明
Specifications
 
1. Output Rating - Continue IMode
Item Value
VCE ¹ 15 V ( max )
I( @1mA ) 50 µA ~ 12 mA
I( @10mA ) 0.5 mA ~ 12 mA
2. Output Rating - Pulse IMode
Item Value
VCE ¹ 15 V ( max )
I( @1mA ) 50 µA ~ 12 mA
I( @10mA ) 0.5 mA ~ 12mA
IF ³ ( @100mA ) 5 mA ~ 60 mA
3. Output Rating - Ic
Item Value
Ic ( @1mA ) 2.4 mA ( max )
I( @10mA ) 24 mA ( max )
Ic ³ ( @100mA ) 72 mA ( max )
4. OSC Port
Item Value
Input Impedance < 13 dBm
Bandwidth 10 Hz ~ 100 KHz
Maximum Input Powe 10 Hz ~ 100 KHz
Modulator Gain ( @1mA ) 0.45 mA / V
Modulator Gain ( @10mA ) 4.5 mA / V
Modulator Gain ( @100mA ) 45 mA / V
5. CH1, CH2
Item Value
Output Impedance ³ 50 ohm
Bandwidth > 100 kHz
6. Programming Accuracy  ( Setting + Range )
Item %
VCE ( Setting + Range ) 1% + 50 mV
I( Setting + Range ) 0.5% + 0.5%
7. Read - Back Accuracy
Item % ( Setting + Range ) Item ( Typical ) %
VCE 1% + 50 mV CTR 2%
VF 1% + 50 mV △ CTR 5%
Ic 1% + 50 mV △ Rd 10%
IF 0.5% + 0.5%
8. General Specifications
Item Description
Input Power Supply 5 V / 1 A, 5 VA, USB Type-C
Operating Temp. 20°C ~ 40°C
Storage Temp. -30°C ~ 70°C
Size / Weight 123 ( L ) x 89 ( W ) x 55 ( H ) mm / 237 g
Certificate CE Compliant
Warranty 1 - Year

1. The VCE value depends on the electrical characteristics of the DUT. It cannot be fixed via the Instrument settings.
2. For Pulsed Mode only.
3. For optimal measurement accuracy, it is recommended to set the input impedance of the FRA input terminal to 1Mohm.
* The above specifications are subject to change without notice.
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