BGY685AL datasheet(3/8 Pages) PHILIPS

3 / 8 page

1997 Apr 10

Philips Semiconductors

Product speciﬁcation

CATV ampliﬁer module

BGY685AL

CHARACTERISTICS

Table 1

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

Notes

1. fp = 55.25 MHz; Vp = 44 dBmV;

fq = 541.25 MHz; Vq = 44 dBmV;

measured at fp +fq = 596.5 MHz.

2. 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

18.5

−

slope cable equivalent

f = 40 to 600 MHz

0.5

2.0

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

−

CTB

composite triple beat

85 channels ﬂat; Vo = 44 dBmV;

measured at 595.25 MHz

−−56

Xmod

cross modulation

85 channels ﬂat; Vo = 44 dBmV;

measured at 55.25 MHz

−−55

CSO

composite second order

distortion

85 channels ﬂat; Vo = 44 dBmV;

measured at 596.5 MHz

−−56

second order distortion

note 1

−−70

output voltage

dim = −60 dB; note 2

−

dBmV

noise ﬁgure

f = 600 MHz

−

5dB

Itot

total current consumption

DC value; VB = +24 V; note 3

−

250

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