Contents	6
	Chapter 1: Introduction and Problem Statement	9
	References	11
	Chapter 2: Automated Electronic Filter Design Scheme	12
	2.1 The Framework	12
	2.2 Normalized Butterworth Filter	14
	2.3 Practical Normalized Low Pass Butterworth Filter	16
	2.4 Normalized Chebyschev Low Pass Filter	17
	2.5 Normalized Inverse Chebyschev Filter	20
	2.6 Normalized Bessel Filter	21
	2.7 Denormalizing Prototype Filters to Real World Filters	22
	Frequency Scaling	22
	Impedance Scaling	23
	2.8 Filter Transformations	24
	Low Pass to High Pass Filter	24
	Low Pass Filter to Band Pass Filter	25
	2.9 Automated Filter Design Scheme	26
	2.10 Low Pass to Band Pass Filter Conversion Example	27
	References	30
	Chapter 3: Automated Electronic Filter Design Scheme Implementation and Design Examples	32
	3.1 Introduction	32
	3.2 Automated Electronic Filter Design Scheme	32
	3.3 Designing Filters with New Scheme	41
	3.4 Seventh Order Low Pass Butterworth Filter: Simplified Scheme Implementation	42
	3.5 Eighth Order High Pass Bessel Filter: Simplified Scheme Implementation	44
	3.6 Eighth Order Band Pass Chebyschev Filter: Simplified Scheme Implementation	46
	3.7 Designing Filters with New Scheme: Full Blown Implementation	50
	3.8 Chebyschev High Pass Filter: Calculated Order 3 Cut Off Frequency 21 MHz Pass Band Ripple 0.45 dB	52
	3.9 Chebyschev Band Pass Filter: Series Connection of High Pass and Low Pass Filters	53
	3.10 Effect of Non-ideal Reactive Elements on Filter Behavior and Performance and Design Space Exploration	58
	3.11 SPICE: Electronic Circuit Performance Evaluation Gold Standard	62
	References	63
	Chapter 4: Distributed Electronic Filter Design Foundations	64
	4.1 Basic Transmission Line	64
	4.2 TEM, TE and TM Propagation Modes	65
	4.3 Equivalent Current-Voltage, Network Concepts, Admittance [Y], Impedance [Z], Scattering [S] and ABCD Matrices	65
	4.4 Microstrip Transmission Line and Intrinsic Properties	70
	Simple Microstrip Model	70
	Advanced Microstrip Model - Hammarstadt and Jansen, Kirschning and Jensen	73
	4.5 Special Microstrip Structures: Half/Quarter Wave Plates and Microstrip Discontinuities	74
	Shorted Lambda by Two Microstrip Lines	74
	Shorted Lambda by Four Microstrip Lines	75
	Open Circuited Lambda by Two Microstrip Lines	75
	Microstrip Discontinuity - Abrupt End	76
	Microstrip Discontinuity - Gap	77
	Microstrip Discontinuity - Step Impedance	78
	4.6 Special Microstrip Structures Coupled Parallel Microstrips	79
	Simple Parallel Microstrip Model	79
	Detailed Parallel Microstrip Model - Hammarstadt and Jensen, Kirschning and Jensen	81
	4.7 Microstrip Periodic Structures	84
	4.8 Image Networks and Impedances	86
	4.9 Insertion Loss Scheme for Electronic Filter Design	87
	4.10 Coupled Parallel Microstrip Pairs, Even/Odd Mode Impedance and Filter Properties	87
	4.11 Microstrip Band Pass Filter Using Capacitively Coupled Microstrip Resonators	94
	Cohn Inverters and Coupled Resonators	94
	Capacitively Coupled Microstrip Band Pass Filters	96
	4.12 Capacitively Coupled Shunt Resonator Band Pass Filter	98
	4.13 Stepped Impedance Low Pass Filter	100
	References	101
	Chapter 5: Automated Distributed Electronic Filter Design and SPICE Performance Analysis	103
	5.1 Why Automate - Kirschning and Jensen Model	103
	5.2 Fourth Order Butterworth Coupled Parallel Microstrip Band Pass Filter Design and SPICE Performance Analysis	106
	5.3 Cohn Direct Coupled Third Order 750 MHz Center Frequency 100 MHz Bandwidth Band Pass Filter	112
	5.4 Fifth Order 0.5 dB Pass Band Ripple Chebyschev Band Pass Filter Using End Capacitively Coupled Resonators (Microstrips)	115
	5.5 Capacitively Coupled Shunt Resonator Seventh Order Chebyschev Band Pass Filter Design	120
	5.6 5.75 GHz Cut Off 0.5 dB Pass Band Ripple Stepped Impedance Chebyschev Seventh Order Low Pass Filter and SPICE Performance ...	121
	References	125
	Chapter 6: Conclusion	126
	Appendix A: Using the Automated Filter Design Tool	128
	Appendix B: Richard´s Transformation and Kuroda´s Identities	130
	Index	132