topic Re: AFT05MP075 in Wireless MCU https://community.nxp.com/t5/Wireless-MCU/AFT05MP075/m-p/1156383#M10168 <P>AFT05MP075 ADS model has been optimized to match measured RF performance.</P> <P>DC parameter was not specially tuned. In fact, most of the difference between datasheet Figure 3 and simulation is determined by different gate threshold voltages of the model and of the datasheet instance. This value is about 0.5V more in the model vs datasheet sample.</P> <P>Note 1. Gate threshold voltage can differ from sample to sample due to production spread. Datasheet specifies VGS(th)=[1.7,2.5]V. Figure 3 was measured on the device with VGS(th)~2V whereas the threshold in the model is closer to 2.5V.</P> <P>Note 2. The accuracy of DC model is not critical, since the gate bias voltage of each device has to be tuned individually.</P> <P>Have a great day,<BR />Pavel<BR />TIC</P> <P>&nbsp;</P> Mon, 21 Sep 2020 16:44:46 GMT LPP 2020-09-21T16:44:46Z AFT05MP075 https://community.nxp.com/t5/Wireless-MCU/AFT05MP075/m-p/1153716#M10150 <P>I use ADS simulated AFT05MP075 results is not like the datasheet Figure 3 Drain current verse Drain-Source Voltage，I want to know if it is a datasheet error or simulation error.</P> Wed, 16 Sep 2020 00:57:00 GMT https://community.nxp.com/t5/Wireless-MCU/AFT05MP075/m-p/1153716#M10150 yunwang666 2020-09-16T00:57:00Z Re: AFT05MP075 https://community.nxp.com/t5/Wireless-MCU/AFT05MP075/m-p/1156383#M10168 <P>AFT05MP075 ADS model has been optimized to match measured RF performance.</P> <P>DC parameter was not specially tuned. In fact, most of the difference between datasheet Figure 3 and simulation is determined by different gate threshold voltages of the model and of the datasheet instance. This value is about 0.5V more in the model vs datasheet sample.</P> <P>Note 1. Gate threshold voltage can differ from sample to sample due to production spread. Datasheet specifies VGS(th)=[1.7,2.5]V. Figure 3 was measured on the device with VGS(th)~2V whereas the threshold in the model is closer to 2.5V.</P> <P>Note 2. The accuracy of DC model is not critical, since the gate bias voltage of each device has to be tuned individually.</P> <P>Have a great day,<BR />Pavel<BR />TIC</P> <P>&nbsp;</P> Mon, 21 Sep 2020 16:44:46 GMT https://community.nxp.com/t5/Wireless-MCU/AFT05MP075/m-p/1156383#M10168 LPP 2020-09-21T16:44:46Z