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TA1100 Transconductance Amplifier-Wideband Current Standard Source Detailed Intro

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TUNKIA TA1100 Transconductance Amplifier

1. Summary

TA1100 is a high-precision, high stability wideband current standard source, with built-in signal generator, which can directly output wideband current. It can also be used as a wideband transconductance amplifier to receive AC and DC voltage signal input from any calibrator, signal generator or power supply, and transconductance output wideband current.

2. Features

• Accuracy: Class 0.05

• Operating frequency：DC ~ 100 kHz

• Maximum output current：100 A

• The short-term stability is up to 0.004%

• Maximum compliance voltage：7 Vrms @ AC，7 V @ DC

• Equipped with LCD touch screen

• Can be used as broadband current standard source with the built-in signal generator.

3. Application

• Expand the current output range of multifunction source

• Calibrate wideband coaxial shunt

• Calibrate CT

• Calibrate sensors

• Calibrate wideband ammeters

• Calibrate power meters

4. Appearance

☆ Front Panel

S/N	Function
	High current output terminal: When the current range is set to 100A/AUTO, use this terminal for wiring. Maximum output current Imax = 100A.
	Large LCD touch color screen with intuitive multi-parameter and waveform display. Touch operation enhances the instrument's usability.
	Voltage input terminal: can accept AC/DC voltage signals, voltage signal Vmax ≤ 4V.，
	Power on/off button. Voltage output terminal: can output DC 12V.
	Low current output terminal: When selecting a current range of 2A or below, use this terminal for wiring. Maximum output current Imax = 4A. Note: The low current output terminal and the high current output terminal (numbers 1 and 5) cannot operate simultaneously.
	The keypad and knob control panel allows users to easily set the current output value (standard source mode).

☆ Rear Panel

S/N	Function
	Fuse: 30A, 250V self-resetting fuse.
	Power interface: Compatible with 220V, 50Hz power supply.
	Chassis grounding terminal.
	Communication interfaces: including RS232, USB, LAN, facilitating the construction of fully automated testing systems.
	Synchronization signal input terminal: selectable for internal sync (Fsi) or external sync (Fso).
	Ventilation ports: Well-designed for effective heat dissipation, ensuring stable operation of the instrument over extended periods.

5. Specifications

5.1 AC/DC Current Output

Range	Output Current	Input Voltage	Transconductance
2 mA	0.2 mA ~ 4 mA	0.2 ~ 4 V	1 mS
20 mA	2 mA ~ 40 mA	0.2 ~ 4 V	10 mS
200 mA	20 mA ~ 400 mA	0.2 ~ 4 V	100 mS
2 A	0.2 A ~ 4 A	0.2 ~ 4 V	1 S
20 A	2 A ~ 40 A	0.2 ~ 4 V	10 S
100 A	5 A ~ 100 A	0.2 ~ 4 V	25 S

Frequency (Hz)	Short-term Stability ± (%RD + %RG) [1]	One-year Accuracy ± ( %RD + %RG ) [1]
DC	0.002 + 0.002	0.02 + 0.02
10 ~ 10 k	0.005 + 0.005	0.05 + 0.05
10 k ~ 20 k	0.010 + 0.010	0.10 + 0.10
20 k ~ 50 k	0.015 + 0.015	0.15 + 0.15
50 k ~ 100 k	0.030 + 0.030	0.30 + 0.30
Note：[1] RD is the reading value; RG is the range value.

• Current output: 0.2 mA ~ 100 A

• The maximum compliance voltage is 7 Vrms @ AC, 7 V @ DC

• Frequency measurement uncertainty：0.01%

5.2 Distortion

Frequency	Distortion
10 Hz ~ 10 kHz	0.1%
10 kHz ~ 20 kHz	0.2%
20 kHz ~ 50 kHz	0.3%
50 kHz ~ 100 kHz	0.6%

6. General Specifications

Power Supply	AC ( 220 ± 22 ) V, ( 50 ± 2 ) Hz
Warm Up Time	Twice the time since last warmed up, to a maximum of 30 minutes.
Working Environment	10°C ~ 35°C，(20%~80%) R H, non-condensing
Storage Environment	-20°C ~ 60°C, <80% R H，non-condensing
Communication Interface	RS232 x 1, USB x 1, LAN x 1

Transconductance Amplifier Wideband current Standard source current shunt calibration current sensor calibration Calibrate wideband coaxial shunt Calibrate transformers transducers power meters Calibrate CT transconductance current

TA1100 Transconductance Amplifier-Wideband Current Standard Source Detailed Intro

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