KEITHLEY6221 constant current source

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Keithley 6221 constant current source

Semiconductors
Nanotechnology Chiang S
Superconductors
Hall Measurements
Delta Mode Resistance Measurements
Differential Conductance Measurements
Pulsed Signal Sources and Resistances
Photonic Applications
Pulsed IV
Low Noise Resistance Measurements
Low Power Resistance Measurements
Alternatives to AC Resistance Bridges ( used with the 2182A
) Alternatives to Lock-in Amplifiers (used with the 2182A )
Low Level Pulse Electrical Characterization ( used with the 2182A
) Determining Resistivity and Conductivity Types Using a Four-Point Collinear Probe

The need for precision, low current sources. Testing and characterizing today's small and power-efficient electronic devices requires outputting low levels of current, which requires precision, low current sources. Lower excitation currents produce lower voltages across the device, making them more difficult to measure. The Model 6220 DC Current Source or the Model 6221 AC and DC Current Source in combination with the 2182A Nanovoltmeter can meet these challenges. Differential conductance measurements are one of the most important and critical measurements for nonlinear tunneling and cryogenic devices . Mathematically, differential conductance is the derivative of the device's IV curve. The combination of the Keithley Constant Current Source 6220 or 6221 and the 2182A Nanovoltmeter is the industry's most complete differential conductance measurement solution. These instrument combinations are also the fastest : up to 10 times faster and with much lower noise than other options . The combination acquires data in a single measurement, eliminating the need to average the results of multiple scans - a time-consuming and error-prone process. Moreover, the 622X and 2182A are easy to use because their combination can be used as a single unit. Keithley 6221 Current Source | 2182A Micro-Ohm Meter Their connection is simple and solves the isolation and noise current problems that are difficult to handle with other solutions.

Main Features

Keithley 6221 AC and DC current source

* Source and sink current range 100fA to 100mA

* 1014 Ω output impedance ensures stable current source for various loads

* 65,000 -point source storage capacity enables comprehensive test current sweeps to be performed directly from the current source

* Built-in RS-232 , GPIB , trigger link and digital I/O interfaces

* Configurable three-axis output interface to facilitate application requirements with protection function

* Can simulate the early 220- type current source, no need to rewrite the program code for existing applications. Can provide 2pA to 100mA AC current source for AC characteristic analysis of various components and materials.

* The 10MHz output update rate of the 6221 can produce a smooth sine wave of 100KHz

* Built-in standard and arbitrary waveform generator, frequency range 1mHz to 100kHz . Applications include complex programmable loads or sensitive signals and noise simulation

* Programmable pulse width as short as 5s to limit power consumption of precision components. When used in conjunction with the 2182A Nanovoltmeter, it can measure pulsed IV as short as 50s

* Built-in Ethernet interface, remote control can be easily achieved without GPIB control card

Standard Accessories Model
237-ALG-2 Low Noise Triaxial Input Cable, 3- slot male triaxial connector on one end and 3 alligator clips on the other end, 2 meters ( 6.6 ft ) long, (for 236 , 237 , 238 , 486 , 487 , 6514 , 6517A ) Model 8501-2 DIN to DIN Trigger Link Cable, 2 meters ( 6.6 ft ) long, (for 6517A , 2400 Series, KPC-TM , Trigger Link Input) Model CA-180-3A TSP-Link Cable

Optional accessories:
7006-1 GPIB single- layer shielded cable, one end straight through, one end directly connected to the connector, length 1 meter ( 3.3ft ) 7006-2 : GPIB single-layer shielded cable, one end straight through, one end directly connected to the connector. Length 2 m ( 6.6 ft ) 7078-TRX-5 Low Noise Triaxial Cable, 1.5 m ( 5 ft ) Length (for 236 , 237 , 238 , 6514 , 6517A , 7072 ) 7007-1 : Double Shielded Premium GPIB Interface Cable, 1 m ( 3.3 ft ) Length (for GPIB Interconnect) 7007-2 : Double Shielded Premium GPIB Interface Cable, 2 m ( 6.6 ft ) Length (for GPIB Interconnect) KPCI-488LPA , KPCI-488LPA IEEE -488.2 PCI Bus Plug-in Board KUSB-488A IEEE -488.2 USB-GPIB Interface Adapter for USB Interface, with built-in 2 m ( 6.6 ft ) cable





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Technical consultation: Jiang Gong 135-1007-5288 (WeChat with the same number)
Tel: 0755-21502766 Fax: 0755-21502722
Customer service QQ: 53540923