J2111A - Dabartinis purkštukas
  • J2111A - Dabartinis purkštukas

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Gamintojas: Picotest

J2111A - Dabartinis purkštukas

J2111A – Current Injector

The current injector is one of the most versatile of the injector products.  Coupled with the G5100A, or other equivalent function generator, it is capable of performing small signal load steps up to 40MHz, with very fast rising and falling edges.  Using the G5100A, also allows the rise and fall times to be controlled, various waveforms or even arbitrary waveforms.  This can be used to simulate the effects of many different types of loads, including high speed digital circuit loading, which is often largely dynamic.

 

J2111A current injector can also be used to measure output impedance of power supplies, voltage regulators, power buses and even batteries.  It can be used to non-invasively measure the stability of a combined input filter and the negative resistance of a switching power supply.  It also has application in the measurement and extraction of transistor data, including small signal current gain, Ft and many other dynamic performance parameters.

In RF and instrumentation circuits it can be used to provide constant current biasing for class A amplifiers and buffers.

Measuring Output Impedance

J2111A current injector has two connections for the output, Output and GND.  The input is DC+AC and can be connected to either a signal generator or a network analyzer.  A built in bias current enables Class A operation for use with a network analyzer.  The Current Injector and DC Bias injector can also be used for this purpose.

The output current is reduced 40dB from the input signal, resulting in 10mA/V scaling.  The current monitor is designed to be terminated into 50 Ohms and can be used with the network analyzer, an oscilloscope or a DMM to monitor current.

When used in conjunction with a voltage probe, the analyzer can measure Voltage/Current, which is the impedance.

Key features:

  • High PSRR Low Noise Regulator with Universal input
  • Output Current Variation (Controllable) - 50mA
  • Total Output Current Variation (Controllable+Bias) - 74mA
  • 20nSec typ rise and fall time
  • DC-40MHz usable range (interconnection dependent)
  • Two Quadrant Bipolar operation works with positive or negative source
  • Built in offset for use with Network Analyzer
  • Precision current monitor with 50 Ohm output
  • Works with AWG, Function generator and network analyzer
  • Can be used to measure battery impedance

Rated data:

Max input voltage DC+AC ±5V
Maximum Output Current ±74mA
Minimum Output Current 0A
Minimum Output Voltage ±1.5V
Maximum Output Voltage 40V
Current Monitor 1V/A
Modulator Gain 10mA/V
Offset Current (typical) ±24mA
Useable Bandwidth DC…40MHz
Temperature Range 0…50°C
Maximum Altitude 1850m
Absolute Maximum Voltage <40V (DC+AC)

Frequency response:

J2111A – Wtryskiwacz prądowy - pasmo przenoszenia

Connection diagram:

J2111A – Wtryskiwacz prądowy schemat łączeniowy

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J2111A – Current Injector

The current injector is one of the most versatile of the injector products.  Coupled with the G5100A, or other equivalent function generator, it is capable of performing small signal load steps up to 40MHz, with very fast rising and falling edges.  Using the G5100A, also allows the rise and fall times to be controlled, various waveforms or even arbitrary waveforms.  This can be used to simulate the effects of many different types of loads, including high speed digital circuit loading, which is often largely dynamic.

 

J2111A current injector can also be used to measure output impedance of power supplies, voltage regulators, power buses and even batteries.  It can be used to non-invasively measure the stability of a combined input filter and the negative resistance of a switching power supply.  It also has application in the measurement and extraction of transistor data, including small signal current gain, Ft and many other dynamic performance parameters.

In RF and instrumentation circuits it can be used to provide constant current biasing for class A amplifiers and buffers.

Measuring Output Impedance

J2111A current injector has two connections for the output, Output and GND.  The input is DC+AC and can be connected to either a signal generator or a network analyzer.  A built in bias current enables Class A operation for use with a network analyzer.  The Current Injector and DC Bias injector can also be used for this purpose.

The output current is reduced 40dB from the input signal, resulting in 10mA/V scaling.  The current monitor is designed to be terminated into 50 Ohms and can be used with the network analyzer, an oscilloscope or a DMM to monitor current.

When used in conjunction with a voltage probe, the analyzer can measure Voltage/Current, which is the impedance.

Key features:

  • High PSRR Low Noise Regulator with Universal input
  • Output Current Variation (Controllable) - 50mA
  • Total Output Current Variation (Controllable+Bias) - 74mA
  • 20nSec typ rise and fall time
  • DC-40MHz usable range (interconnection dependent)
  • Two Quadrant Bipolar operation works with positive or negative source
  • Built in offset for use with Network Analyzer
  • Precision current monitor with 50 Ohm output
  • Works with AWG, Function generator and network analyzer
  • Can be used to measure battery impedance

Rated data:

Max input voltage DC+AC ±5V
Maximum Output Current ±74mA
Minimum Output Current 0A
Minimum Output Voltage ±1.5V
Maximum Output Voltage 40V
Current Monitor 1V/A
Modulator Gain 10mA/V
Offset Current (typical) ±24mA
Useable Bandwidth DC…40MHz
Temperature Range 0…50°C
Maximum Altitude 1850m
Absolute Maximum Voltage <40V (DC+AC)

Frequency response:

J2111A – Wtryskiwacz prądowy - pasmo przenoszenia

Connection diagram:

J2111A – Wtryskiwacz prądowy schemat łączeniowy

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