Help for Smith V3.10 - Fritz Dellsperger

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Constant Noise Figure Circles Noise Figure F � F � 2 4 �rn�S��Sopt min 2 2 � � 1�� 1�� S Sopt F min = Minimum noise factor = 10 NFmin 10 NF min = Minimum noise figure in dB r n = equivalent normalized noise resistance = Rn � Sopt = source reflection coefficient that produces F min Constant noise circle: R C Fi Fi � 2 �1� N � N � � �Sopt � 1� N 2 i i Sopt i 1� N N i F � F 2 i min i � �1�� Sopt 4rn i F = desired noise factor (> F min ) Z 0 Radius Center 64
File format info Touchstone ® Twoport-Parameter - Files (S-, H-, Z-, Y- and ABCD-Parameter) in Touchstone ® - Format must follow the rules below: � In one line all characters after an exclamation-mark „!“ are comment only. The line terminates with carriage return and line feed � In front of data there must be a parameter-line: � : Parameter-line designator � : „GHz“, „MHz“, „kHz“ or „Hz“ � : „S“ for S-Parameter „H“ for H-Parameter „Z“ for Z-Parameter „Y“ for Y-Parameter. � : „MA“: magnitude-angle „DB“: decibel-angle „RI“: real-imaginary � : n = normalization impedance in Ohm (e.g. R 50) � Data: Each line contains the data for one frequency. The parameters are separated with one space minimum. Data must be in following sequence: 1. Frequency 2. Magnitude, decibel or real part of x11 3. Imaginary part or angle of x11 4. Magnitude, decibel or real part of x21 5. Imaginary part or angle of x21 6. Magnitude, decibel or real part of x12 7. Imaginary part or angle of x12 8. Magnitude, decibel or real part of x22 9. Imaginary part or angle of x22 x = S, H, Z, or Y. Frequencies must be ascending sequence At the end of the twoport parameters, noise parameters can be added: Each line contains the data for one frequency. The parameters are separated with one space minimum. Data must be in following sequence: 1. Frequency 2. Nfmin Minimum Noise Figure in dB 65
Page 1 and 2:
Help for Smith V3.10 www.fritz.dell
Page 3 and 4:
Overview The software is split in t
Page 5 and 6:
� Schematic-window Networks on Sm
Page 7 and 8:
Menu and ToolbarMenu: Toolbar: All
Page 9 and 10:
Input with Keyboard: Continue with
Page 11 and 12:
Input of Circuit Elements for the N
Page 13 and 14:
Circuit Elements To edit circuit el
Page 15 and 16: Inductor (Serie or parallel element
Page 17 and 18: Physical Transmission Line (Serie e
Page 19 and 20: Open ended Transmission Line, Open
Page 21 and 22: Shorted Transmission Line, Shorted
Page 23 and 24: Transformer (Serie element) Model:
Page 25 and 26: R-L-C serie connected (Parallel ele
Page 27 and 28: Undo and Redo Undo and Redo works o
Page 29 and 30: Datapoint sweep: Example: An antenn
Page 31 and 32: Q-circles are not listed in window
Page 33 and 34: � Number Gn of circles � Input
Page 35 and 36: Stability-Circles Select menu „To
Page 37 and 38: Constant Noise Figure Circles Selec
Page 39 and 40: Settings Select menu „Extras“,
Page 41 and 42: Print the Smith-Chart Select “Pri
Page 43 and 44: CKT block: This block contains the
Page 45 and 46: S-Plot Read S-Parameter - Files in
Page 47 and 48: The selected line in window “Gain
Page 49 and 50: Export Export H-, Z-, Y- and A-Para
Page 51 and 52: Export CITI to S-Parameter Touchsto
Page 53 and 54: Smith-Chart Basics Smith-Chart Cons
Page 55 and 56: Stability Circles Stability Uncondi
Page 57 and 58: stable stable unstable Unconditiona
Page 59 and 60: G p Power delivered to load PL �
Page 61 and 62: G p � 2 2 S21 �1 ��L �
Page 63 and 64: R C A A � 2 2 12 21 A 12 21 A 1
Page 65: R C LU LU � LU 2 22 2 � 22 �
Page 69 and 70: CITI (Text adopted from Agilent) Ov
Page 71 and 72: EZNEC EZNEC is a very powerful ante
Page 73 and 74: License, Demoversion and Contact Th
Page 75: History Version 3.01 to Version 3.1
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