GT4123B Ver la hoja de datos (PDF) - Gennum -> Semtech

Número de pieza

componentes Descripción

Fabricante

GT4123B

Two Channel Video Multiplier

Gennum -> Semtech 

+5V

0.1

FROM

NETWORK

ANALYSER

78

4

2

75

GT4123B

56

1

3

75

0.1

5 - 30pF

+5V

150

0.1

1

4 CLC110 8

0.1

5

10k

0.1

-5V

B

-5V

All resistors in ohms, all capacitors in

microfarads unless otherwise stated

A

+1V

TO

NETWORK

ANALYSER

Fig. 2 Frequency Response, Cross Talk, Differential Gain & Phase Test Circuit

+5V

-5V

0.1

0.1

VA

75

86

GT4123B

5

1

7

4

32

6dB AMPLIFIER

VIDEO OUT

75

VB

75

VC

All resistors in ohms, all capacitors in

microfarads unless otherwise stated

150

5-30 pF

Fig. 3 Typical Application Circuit

GT4123B TYPICAL PERFORMANCE CURVES (VS = ±5V, unless otherwise specified)

0.2

0.1

0

-0.1

-0.2

-0.3

-0.4

0.1

521 - 20 - 02

VS = ±12V

VS = ±5V

1

10

FREQUENCY (MHz)

Fig. 4 Frequency Response

100

4 of 5

0

-20

-40

-60

-80

-100

-120

1

VC - CHANNEL B

VC - CHANNEL A

10

100

FREQUENCY (MHz)

Fig. 5 Crosstalk vs Frequency

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