CA3045 datasheet(5/6 Pages) INTERSIL

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FIGURE 11. TYPICAL NORMALIZED FORWARD CURRENT

TRANSFER RATIO, SHORT CIRCUIT INPUT

IMPEDANCE, OPEN CIRCUIT OUTPUT IMPEDANCE,

AND OPEN CIRCUIT REVERSE VOLTAGE TRANSFER

RATIO vs COLLECTOR CURRENT

FIGURE 12. TYPICAL FORWARD TRANSFER ADMITTANCE vs

FREQUENCY

FIGURE 13. TYPICAL INPUT ADMITTANCE vs FREQUENCY

FIGURE 14. TYPICAL OUTPUT ADMITTANCE vs FREQUENCY

FIGURE 15. TYPICAL REVERSE TRANSFER ADMITTANCE vs

FREQUENCY

FIGURE 16. TYPICAL GAIN BANDWIDTH PRODUCT vs

COLLECTOR CURRENT

Typical Performance Curves (Continued)

100

1.0

0.1

0.01

0.1

1.0

COLLECTOR CURRENT (mA)

VCE = 3V

f = 1kHz

TA = 25

hOE

hFE

hRE

hIE

hFE = 110

hIE = 3.5kΩ

hRE = 1.88 x 10

-4

hOE = 15.6µS

1mA

hRE

hIE

TA = 25

oC, V

CE = 3V, IC = 1mA

COMMON EMITTER CIRCUIT, BASE INPUT

FREQUENCY (MHz)

0.1

100

-20

-10

gFE

bFE

TA = 25

oC, V

CE = 3V, IC = 1mA

COMMON EMITTER CIRCUIT, BASE INPUT

FREQUENCY (MHz)

0.1

100

gIE

bIE

TA = 25

oC, V

CE = 3V, IC = 1mA

COMMON EMITTER CIRCUIT, BASE INPUT

FREQUENCY (MHz)

gOE

bOE

0.1

100

TA = 25

oC, V

CE = 3V, IC = 1mA

COMMON EMITTER CIRCUIT, BASE INPUT

FREQUENCY (MHz)

-2.0

-1.5

-1.0

-0.5

bRE

100

gRE IS SMALL AT FREQUENCIES

LESS THAN 500MHz

800

700

600

500

400

300

200

100

1000

900

2345

678

13 14

COLLECTOR CURRENT (mA)

VCE = 3V

TA = 25

CA3045, CA3046

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