CA3028A View Datasheet(PDF) - Harris Semiconductor

Part Name

Description

Manufacturer

CA3028A

Differential/Cascode Amplifiers for Commercial and Industrial Equipment from DC to 120MHz

Harris Semiconductor 

CA3028A, CA3028B, CA3053

Test Circuits (Continued)

VCC

VCC

10Ω

INPUT

50Ω

0.01µF

1

3

10µH

8

7

6

1kΩ LOAD

OUTPUT

ICUT

5

0.001µF

1kΩ

2kΩ

0.01µF

FIGURE 11. TRANSFER CHARACTERISTIC (VOLTAGE GAIN)

TEST CIRCUIT (10.7MHz) DIFFERENTIAL

AMPLIFIER CONFIGURATION FOR CA3028A,

CA3028B AND CA3053

3µF

R

(NOTE)

R

(NOTE)

OSCILLOSCOPE

WITH HIGH

GAIN DIFF. INPUT

(TEKTRONIX TYPE

VDIFF

(RMS)

530, 540, OR 580

WITH TYPE D

PLUG-IN

TEKTRONIX

TYPE 502 OR

6

EQUIVALENT)

5µF

8

1

50Ω

VIN = 10mV

(RMS)

ICUT

INPUT

SIGNAL

f = 1kHz

3

7

5

3µF

VEE

NOTE: For R = 1.6kΩ: VCC = 12V, VEE = -12V

For R = 2.0kΩ: VCC = 6V, VEE = -6V.

FIGURE 12. DIFFERENTIAL VOLTAGE GAIN, MAXIMUM PEAK-

TO-PEAK OUTPUT VOLTAGE AND BANDWIDTH

TEST CIRCUIT FOR CA3028B

VCC

5µF

INPUT

SIGNAL

f = 1kHz

500Ω

S1

3µF 1kΩ

6

1

OSCILLOSCOPE

1kΩ

WITH HIGH

GAIN DIFF. INPUT

(TEKTRONIX TYPE

VDIFF

530, 540, OR 580

WITH TYPE D

(RMS)

PLUG-IN

TEKTRONIX

8

TYPE 502 OR

EQUIVALENT)

5

ICUT

7

3

VIN = 0.3V

(RMS)

3µF

VEE

NOTES:

VX RANGE

OF COMMON

MODE REJECTION

19. For CMR test: S1 to GND.

20. For Input Common Mode Voltage Range Test: S1 to VX.

21. Common Mode Rejection Ratio = 20log10V---(--D-A---I-)-F--(-F-2---(-)--R(---0--M-.--3--S-)---)-

A = Single-Ended Voltage Gain.

FIGURE 13. COMMON MODE REJECTION RATIO AND COMMON MODE INPUT VOLTAGE RANGE TEST CIRCUIT FOR CA3028B

7-12

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