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FREQUENCY. Bollen. FREQUENCY BAND filter Bandwith decibell power And voldage gain Boode Amplitude Diagram (BAD) Boode Phase Diagram (BPD) Frequency unitis and terminilogy 20 db/decade 6 db/octaaf. High pass High pass model Roll off high pass Low pass Low pass model

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FREQUENCY

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FREQUENCY

Bollen


FREQUENCY

BAND filter

Bandwith decibell power

And voldage gain

Boode Amplitude Diagram

(BAD)

Boode Phase Diagram

(BPD)

Frequency unitis

and terminilogy

20 db/decade 6 db/octaaf

High pass

High pass model

Roll off high pass

Low pass

Low pass model

Roll off low pass

BAND pass

How many corner frequencies?

Emitter capacitance

AGENDA

Bollen


Xc = 1/jwC

Xl = jwL

Frequency !!!!!

Bollen


BAD;BodeAmplitudeDiagramBPD;BodePhaseDiagram

BAND filter

Bollen


Bandwith, decibell power and voltage gain

Bollen


BAD

BAD; Bode Amplitude Diagramuse the asymtotic line alwaysat 1 decade distance the real line is the aymptotic line

Bollen


BPD

BPD; Bode Phase Diagramuse the asymtotic line alwaysat 1 decade distance the real line is the aymptotic line

Bollen


Frequency units and terminology

Bollen


20 db/decade or 6 db/octave

Bollen


High pass filterLow corner frequency- 3dB point

High pass

Bollen


High pass

Bollen


High pass

Bollen


Bollen


High pass model

Bollen


High pass model

Bollen


High pass model

Bollen


High pass

Bollen


Roll off high pass

Bollen


Low pass filterHigh corner frequency- 3dB point

Low pass

Bollen


Low pass

Bollen


Low pass

Bollen


Bollen


Bollen


Low pass model input

Bollen


Low pass model output

Bollen


Roll off low pass

Bollen


BAND pass

Bollen


How many corner frequencies ?

Bollen


Emitter capacitance increase Au

2 corner frequencies; starting Ce and ending Ce

Bollen


Total Au

1 differentiating effect @ (re // Re) C1 integrating effect @ Re C

Bollen


BAD of Ce

Bollen


Emitter capacitance

Bollen


Calculate-3dB pointsHow many corner frequencies?Draw the BAD

Emitter capacitance example

Bollen


Emitter capacitance

Bollen


Emitter capacitance

Bollen


Emitter capacitance

Bollen


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