9

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Ports

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Sources

Symbol: pdc

Independent DC Resistive Source

This component is the same as pdc described in the Chapter 8, “Symbol: pdc.”

For more information on ports refer to Spectre Circuit Simulator and Accelerated Parallel Simulator RF Analysis User Guide.

Symbol: pexp

Independent Exponential Resistive Source

This component is the same as pexp described in the Chapter 8, “Symbol: pexp.”

For more information on ports refer to Spectre Circuit Simulator and Accelerated Parallel Simulator RF Analysis User Guide.

Symbol: port

Independent Resistive Source

This component is the same as port described in the Chapter 8, “Symbol: port.”

For more information on ports refer to Spectre Circuit Simulator and Accelerated Parallel Simulator RF Analysis User Guide.

Symbol: port3t

Independent Resistive Source

You can define a three-terminal independent resistive source with an ideal choke inductor and an ideal blocking capacitor. They work like switches to terminate or connect appropriate branch depending on the type of analysis.

For more information on ports refer to Spectre Circuit Simulator and Accelerated Parallel Simulator RF Analysis User Guide.

Command-line help

spectre -h port

CDF Parameters

CDF Parameter Label	CDF Parameter	spectre	auCdl	auLvs	hspiceD	UltraSim
Frequency name 1	fundname	x	-	-	-	-
Frequency name 2	fundname2	x	-	-	-	-
Noise file name	noisefile	x	-	-	-	-
File name	fileName	x	-	-	-	-
Display second sinusoid	numofsines	x	-	-	-	-
Display modulation params	modulation	x	-	-	-	-
Display small signal params	smallSig	x	-	-	-	-
Display temperature params	tempParam	x	-	-	-	-
Display noise parameters	noiseParam	x	-	-	-	-
Number of noise/freq pairs	FNpairs	x	-	-	-	-
Freq 1 to Freq 50	F1 - F50	x	-	-	-	-
Number of PWL/Time pair	tvpairs	x	-	-	-	-
Time 1	t1 - t50	x	-	-	-	-
Voltage 1	v1 - v50	x	-	-	-	-
Number of FM files	filenums	x	-	-	-	-
Name of FM File1	fmmodfile1	x	-	-	-	-
Name of FM File2	fmmodfile2	x	-	-	-	-
Resistance	r	x	-	-	-	-
Reactance	x	x	-	-	-	-
Choke ind for net analyser	lchock	x	-	-	-	-
Blocking cap for net analyser	cblock	x	-	-	-	-
Port number	num	x	-	-	-	-
DC voltage	vdc	x	-	-	-	-
Source type	srcType	x	-	-	-	-
Delay time	td	x	-	-	-	-
Frequency 1	freq	x	-	-	-	-
Amplitude 1 (Vpk)	va	x	-	-	-	-
Amplitude 1 (dBm)	vaDBm	x	-	-	-	-
Phase for Sinusoid 1	sinephase	x	-	-	-	-
Sine DC level	sinedc	x	-	-	-	-
Multiplier	m	x	-	-	-	-
FM modulation index	fmmodindex	x	-	-	-	-
FM modulation frequency	fmmodfreq	x	-	-	-	-
AM modulation index	ammodindex	x	-	-	-	-
AM modulation frequency	ammodfreq	x	-	-	-	-
AM modulation phase	ammodphase	x	-	-	-	-
PAC magnitude	pacm	x	-	-	-	-
PAC phase	pacp	x	-	-	-	-
Power of PWL waveform	pwldbm	x	-	-	-	-

Syntax/Synopsis

Name ( p n [choke]... ) port <parameter=value> ...

Sample Instance Statement

p20 (2 0) port num=2 r=50 type=pulse period=1e-9 rise=1e-10 fall=1e-10 val1=1 width=0.5n mag=1

p30 (2 0 choke) port num=1 r=50 lchoke=0.1 cblock=0.00001 type=pulse period=1e-8 rise=1e-8 fall=1e-10

Additional Information

This device is not supported within altergroup.

Symbol: ppulse

Independent Resistive Pulse Source

This component is the same as ppulse described in the Chapter 8, “Symbol: ppulse,”

Symbol: ppwl

Independent Piece-Wise Linear Resistive Source

This component is the same as ppwl described in the Chapter 8, “Symbol: ppwl,”

Symbol: ppwlf

Independent Piece-Wise Linear Resistive Source Based on File

This component is the same as ppwlf described in the Chapter 8, “Symbol: ppwlf,”

Symbol: psin

Independent Sinusoidal Resistive Source

This component is the same as psin described in the Chapter 8, “Symbol: psin.”

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