TF EIMLab17 Writeup - Revision history

Foretony at 01:22, 6 April 2011

2011-04-06T01:22:06Z

Foretony at 23:55, 5 April 2011

2011-04-05T23:55:47Z

Foretony: Created page with 'The JFET (Junction Field Effect Transistor n-channel) File:JFET_MPF102_Pinouts.png File:JFET_MPF102_DataSheet.pdf 1.) Complete the table below for the JFET. {| bor…'

2011-04-05T23:54:23Z

Created page with 'The JFET (Junction Field Effect Transistor n-channel) File:JFET_MPF102_Pinouts.png File:JFET_MPF102_DataSheet.pdf 1.) Complete the table below for the JFET. {| bor…'

New page

The JFET (Junction Field Effect Transistor n-channel)

[[File:JFET_MPF102_Pinouts.png]]

[[File:JFET_MPF102_DataSheet.pdf]]

1.) Complete the table below for the JFET.

{| border="3" cellpadding="20" cellspacing="0"
|Parameter || Value
|-
|<math> I_{DSS}</math> ||
|-
|<math>V_{GS(off)}</math> ||
|-
|<math>P_{max}</math> ||
|-
|<math>R_G</math> || 3.3 M<math>\Omega</math>
|-
|<math>R_D</math> ||
|-
|<math>y_{fs}</math> ||
|-
|<math>y_{is}</math> ||
|-
|<math>y_{os}</math> ||
|-
|}

2.)Construct the JFET circuit below.

[[File:TF_EIM_Lab17Circuit.png| 200 px]]

3.)Plot measurements of <math>I_D</math> -vs- <math>V_{DS}</math> by varying <math>V_{dd}</math> for <math>\left | V_{GS}\right |</math> = 0, 0.5, 1.0, 1.5 V. (40 pnts)

4.)Plot<math> I_D</math> -vs- <math>V_{GS}</math> (30 pnts)

5.)Calculate <math>y_{fs}</math> for your JFET (20 pnts)

=Question=

#Does <math>y_{fs}</math> depend on<math> I_D</math>? (10 pnts)

[[Forest_Electronic_Instrumentation_and_Measurement]]

← Older revision		Revision as of 23:55, 5 April 2011
Line 9:		Line 9:
	1.) Complete the table below for the JFET.		1.) Complete the table below for the JFET.

		+	Only <math>R_D</math> is not know. If we want currents up to 5 mA using a 10 Volt power supply then <math>R_D</math> should be 2 k<math>\Omega</math>

	{\| border="3" cellpadding="20" cellspacing="0"		{\| border="3" cellpadding="20" cellspacing="0"

@@ Line 14: / Line 14: @@
 |Parameter ||  Value
 |-
-|<math> I_{DSS}</math> ||
+|<math> I_{DSS}</math> || 2 - 20 mA
 |-
-|<math>V_{GS(off)}</math> ||
+|<math>V_{GS(off)}</math> || -8 Volts
 |-
-|<math>P_{max}</math> ||
+|<math>P_{max}</math> || 350 mW
 |-
 |<math>R_G</math> || 3.3 M<math>\Omega</math>
 |-
-|<math>R_D</math> ||
+|<math>R_D</math> ||  1k \Omega
 |-
-|<math>y_{fs}</math> ||
+|<math>y_{fs}</math> || 1600-7500 <math>\mu</math>mhos
 |-
-|<math>y_{is}</math> ||
+|<math>y_{is}</math> || 800 <math>\mu</math>mhos
 |-
-|<math>y_{os}</math> ||
+|<math>y_{os}</math> || 200 <math>\mu</math>mhos
 |-
 |}