BGY685AD datasheet(3/8 Pages) PHILIPS

3 / 8 page

1997 Apr 18

Philips Semiconductors

Product speciﬁcation

Hybrid CATV ampliﬁer module

BGY685AD

CHARACTERISTICS

Table 1

Bandwidth 40 to 600 MHz; VB = 24 V; Tcase =30 °C; ZS =ZL =75 Ω

Notes

1. Vp =Vq = 44 dBmV;

fp = 55.25 MHz; fq = 541.25 MHz;

measured at fp +fq = 596.5 MHz.

2. Measured according to DIN45004B:

fp = 590.25 MHz; Vp =Vo;

fq = 597.25 MHz; Vq =Vo −6 dB;

fr = 599.25 MHz; Vr =Vo −6 dB;

measured at fp +fq − fr = 588.25 MHz.

3. The module normally operates at VB = 24 V, but is able to withstand supply transients up to 30 V.

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

power gain

f = 50 MHz

f = 600 MHz

18.75

−

slope cable equivalent

f = 40 to 600 MHz

0.2

2.2

ﬂatness of frequency response

f = 40 to 600 MHz

−±0.3

S11

input return losses

f = 40 to 80 MHz

−

f = 80 to 160 MHz

−

f = 160 to 600 MHz

−

S22

output return losses

f = 40 to 80 MHz

−

f = 80 to 160 MHz

−

f = 160 to 600 MHz

−

S21

phase response

f = 50 MHz

−45

+45

deg

CTB

composite triple beat

85 channels ﬂat;

Vo = 44 dBmV;

measured at 595.25 MHz

−−62

Xmod

cross modulation

85 channels ﬂat;

Vo = 44 dBmV;

measured at 55.25 MHz

−−58

CSO

composite second order distortion

85 channels ﬂat;

Vo = 44 dBmV;

measured at 596.5 MHz

−−60

second order distortion

note 1

−−70

output voltage

dim = −60 dB; note 2

−

dBmV

noise ﬁgure

f = 50 MHz

−

6dB

f = 600 MHz

−

8dB

Itot

total current consumption (DC)

note 3

−

250

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