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February 1995

3

Philips Semiconductors

Product specification

CATV amplifier module

BGY89

CHARACTERISTICS

Bandwidth 40 to 450 MHz; V

B

 = 24 V; T

mb

 = 35

°

C; Z

S

 = Z

L

 = 75

.

Notes

1. f

p

 = 55.25 MHz; V

p

 = 46 dBmV;

f

q

 = 343.25 MHz; V

q

 = 46 dBmV;

measured at f

p

 + f

q

 = 398.5 MHz.

2. Measured according to DIN45004B:

f

p

 = 440.25 MHz; V

p

 = V

o

 = 63 dBmV;

f

q

 = 447.25 MHz; V

q

 = V

o

6 dB;

f

r

 = 449.25 MHz; V

r

 = V

o

6 dB;

measured at f

p

 + f

q

 - f

r

 = 438.25 MHz.

3. The module normally operates at V

B

 = 24 V, but is able to withstand supply transients up to 30 V.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

G

p

power gain

f = 50 MHz

37

39

dB

f = 450 MHz

37

dB

SL

slope cable equivalent

f = 40 to 450 MHz

0

2.5

dB

FL

flatness of frequency response

f = 40 to 450 MHz

±

0.4

dB

S

11

input return losses

f = 40 to 80 MHz

20

dB

f = 80 to 160 MHz

19

dB

f = 160 to 450 MHz

18

dB

S

22

output return losses

f = 40 to 80 MHz

20

dB

f = 80 to 160 MHz

19

dB

f = 160 to 450 MHz

18

dB

S

21

phase response

f = 50 MHz

45

+45

deg

CTB

composite triple beat

60 channels flat;
V

o

 = 46 dBmV;

measured at 445.25 MHz

58

dB

X

mod

cross modulation

60 channels flat;
V

o

 = 46 dBmV;

measured at 55.25 MHz

58

dB

CSO

composite second order distortion

60 channels flat;
V

o

 = 46 dBmV;

measured at 446.5 MHz

58

dB

d

2

second order distortion

note 1

70

dB

V

o

output voltage

d

im

 =

60 dB; note 2

63

dBmV

F

noise figure

f = 450 MHz

5.5

dB

I

tot

total current consumption (DC)

note 3

320

340

mA

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