CA3028A_99 datasheet(4/10 Pages) HARRIS | Differential/Cascode Amplifier for Commercial and Industrial Equipment from DC to 120MHz

4 page

Test Circuits

NOTE:

FIGURE 1. INPUT OFFSET CURRENT, INPUT BIAS CURRENT,

POWER DISSIPATION, AND QUIESCENT

OPERATING CURRENT TEST CIRCUIT

FIGURE 2. AGC BIAS CURRENT TEST CIRCUIT (DIFFERENTIAL

AMPLIFIER CONFIGURATION)

NOTES:

4. For Power Gain Test.

5. For Noise Figure Test.

FIGURE 3. POWER GAIN AND NOISE FIGURE TEST CIRCUIT

(CASCODE CONFIGURATION)

NOTES:

6. For Power Gain Test.

7. For Noise Figure Test.

FIGURE 4. POWER GAIN AND NOISE FIGURE TEST CIRCUIT

(DIFFERENTIAL AMPLIFIER CONFIGURATION

AND TERMINAL 7 CONNECTED TO VCC)

Power Dissipation

3VEE

()V

ICUT

µF

VCC

VEE

ICUT

VCC

Ω

VCC

ICUT

0.001

µF

Ω SIGNAL

SOURCE

(NOTE 4) OR

NOISE DIODE

Ω RF

VOLTMETER

(NOTE 4) OR

NOISE AMP

(NOTE 5)

470pF

(NOTE 5)

0.001

µF

Ω

VCC

Ω

0.001

µF

(MHz)

(pF)

(

µH)

(

µH)

10.7

20 - 60 20 - 60

3 - 5

100

3 - 30

0.1 - 0.25 0.15 - 0.3

ICUT

Ω SIGNAL

SOURCE

(NOTE 6) OR

NOISE DIODE

Ω RF

VOLTMETER

(NOTE 6) OR

NOISE AMP

(NOTE 7)

0.001

µF

Ω

VCC

Ω

(MHz)

(pF)

(

µH)

(

µH)

10.7

30 - 60 20 - 50

3 - 6

100

2 - 15

0.2 - 0.5

CA3028A

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