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TA1200 High Frequency Transconductance Amplifier

TA1200  is a high-precision, high-stability broadband constant current source with a frequency of up to 1 MHz and a linear output of current in a transconducting mode of operation, suitable for calibrating the frequency response bandwidth characteristics of high frequency current transducers or testing current transducers.
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TA1200 High Frequency Transconductance Amplifier

TA1200 High Frequency Transconductance Amplifier

1. Summary

TA1200 is a high-precision, high-stability broadband constant current source with a frequency of up to 1 MHz and a linear output of current in a transconducting mode of operation, suitable for calibrating the frequency response bandwidth characteristics of high frequency current transducers or testing current transducers.


2. Features

Current output range:1 mA to 10.5 A

Frequency:DC & 10 Hz to 1 MHz

Short-term stability:0.004%/min @ DC,0.05%/min @ 100 kHz,0.1%/min @ 1 MHz

Operation mode: constant current (CC) and transconductance (TA)

Input voltage at TA mode: 0.2 V to 2 V

Maximum load voltage: 7 Vrms


3. Applications

Extend current output range of multifunction source

Calibrate the wideband coaxial shunt

Calibrate instrument transformers

Calibrate transducers

Calibrate wideband ammeters

Calibrate power meters

Detecte the frequency response bandwidth


Calibrate current transducers by direct measurement method

TA1200 High Frequency Transconductance Amplifier Calibrate current transducers by direct measurement method


Calibrate current transducers by the comparative method

TA1200 High Frequency Transconductance Amplifier Calibrate current transducers by the comparative method

TA1200 can output a constant high frequency current signal, used to calibrate current transducers through comparing the measurement difference between the high frequency coaxial shunt and the detected current transducer.

Detect frequency response bandwidth characteristics of the sense current transducer

TA1200 High Frequency Transconductance Amplifier Detect frequency response bandwidth characteristics of the sense current transducer

Outputing high frequency current signal to detect the frequency response bandwidth performance of the current transducer.




4. Specifications

4.1 Wideband Current Output

Current Range

(rms)

Frequency

(Hz)

Short-term Stability 

±(%*RD+%*RG)/min

Accuracy

±(%*RD+%*RG)[1]

Compliance Voltage

(Vrms)

10 mA

100 mA

1 A

10 A

DC

0.002 + 0.002

0.01 + 0.01

7





10 ≤ F ≤ 10k

0.005 + 0.003

0.05 + 0.03

10k < F ≤ 20k

0.010 + 0.005

0.10 + 0.05

20k < F ≤ 50k

0.015 + 0.010

0.15 + 0.10

50k < F ≤ 100k

0.030 + 0.020

0.3 + 0.2

100k < F ≤ 500k

0.05 + 0.03

500k < F ≤ 1M

0.06 + 0.04

Note[1]:RD is the reading value,RG is the range value.

Output current: 1 mA rms ~ 10.5 A rms

Frequency: DC,10 Hz ~ 1 MHz

Adjustment Fineness:0.005%*RG

Display digits:7-digit decimal display

    • Protection mode:Over-current protection, overload protection


4.2 Transconductance Mode

Input Voltage

0.2 V rms ~ 2 V rms (DC ~ 1 MHz)

Current Range

10 mA

100 mA

1 A

10 A

Output Current

1 mA ~ 10 mA

10 mA ~ 100 mA

0.1 A ~ 1 A

1 A ~ 10 A

Transconductance

0.005 Siemens

0.05 Siemens

0.5 Siemens

5 Siemens


5. General Specifications

Power supply

AC:100 V ~ 240 V / 47 Hz ~ 63 Hz

DC:120 V ~ 370 V

Maximum power consumption

500 W

Warm up time

Twice the time since last warmed up, to a maximum of 1 hour.

Operation environment

15°C ~ 35°C,(20%~65%) R·H,no condensation

Storage environment

-20°C ~ 60°C,(15%~80%) R·H,no condensation

Connection interface

Current output: N female connector;

Voltage input: BNC female connector.

Communication interface

RS232×1、USB×1、LAN×1

Dimensions


483 mm (W) ×510 mm (D)×310 mm (H)

TA1200 High Frequency Transconductance Amplifier Dimensions

Weight

About 17 kg



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