Philips BGY685AD User Manual

Page 5

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2001 Oct 22

5

Philips Semiconductors

Product specification

600 MHz, 18.5 dB gain push-pull amplifier

BGY685AD

Table 3

Bandwidth 40 to 450 MHz; V

B

= 24 V; T

case

= 30

°

C; Z

S

= Z

L

= 75

Notes

1. V

p

= V

q

= 46 dBmV;

f

p

= 55.25 MHz; f

q

= 391.25 MHz;

measured at f

p

+ f

q

= 446.5 MHz.

2. Measured according to DIN45004B:

f

p

= 440.25 MHz; V

p

= V

o

;

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.

MAX.

UNIT

G

p

power gain

f = 50 MHz

18

19

dB

f = 450 MHz

18.6

dB

SL

slope cable equivalent

f = 40 to 450 MHz

0.2

1.8

dB

FL

flatness of frequency response

f = 40 to 450 MHz

±

0.3

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

66

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

67

dB

d

2

second order distortion

note 1

75

dB

V

o

output voltage

d

im

=

60 dB; note 2

65

dBmV

F

noise figure

f = 50 MHz

6

dB

f = 450 MHz

7

dB

I

tot

total current consumption (DC)

note 3

250

mA

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