ACM4000T

ACM4000T is an Automatic Calibration Module (ACM) designed for full one-port and two-port calibrations of vector network analyzers from Copper Mountain Technologies. It operates in the frequency range from 300 kHz to 4 GHz. 

For lower frequencies, the ACM4000T operates up to 4 GHz.

ACM4000T calibrates any CMT VNA in fully automatic mode through the built-in functions of the analyzer software. ACM4000T switches to the impedance states one by one in the process of calibration. The VNA calibration coefficients are calculated using the measured S-parameters of the ACM impedance states and the data stored in the ACM4000T memory.

Advantages of Automatic Calibration 

The ACM4000T  calibration offers the following advantages over traditional mechanical SOLT calibration:

Reduced number of connections (for example, full two-port calibration requires only one connection of the ACM to a VNA instead of 7 connections of mechanical standards)

Faster calibration procedure

Reduced risk of human error

Higher accuracy

Reduced wear on test port connectors 

The ACM4000T contains two RF connectors for connection to VNA test ports, Mini-USB control port, several different transmission and reflection impedance states and electronic changeover switches. ACM4000T has six reflection states (three for each port) and a Thru, and ACM4000T has ten reflection states (five for each port) and a Thru. The precise S-parameters of the calibration impedance states are stored in the ACM4000T memory (factory characterization data). 

Basic configuration options for ACM4000T are below. For more information on ACM4000T configurations and specifications, please see the data sheet at right. 

ACM4000T (300 kHz to 4 GHz): 75 Ω

N-Type M-F

N-Type F-F

F-Type M-F

F-Type F-F 

Because the ACM4000T comes in multiple configurations and connectors, we advise you to talk to us to see which one is best for your application.

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