BGX881 datasheet(3/5 Pages) PHILIPS

Part #	BGX881

Description	CATV amplifier module

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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3 / 5 page

February 1995

3

Philips Semiconductors

Product speciﬁcation

CATV ampliﬁer module

BGX881

CHARACTERISTICS

Bandwidth 40 to 860 MHz; VB = 24 V; Tmb = 30 °C; ZS = ZL = 75 Ω.

Notes

1. Decreases 1.5 dB per octave.

2. fp = 349.25 MHz; Vp = 59 dBmV;

fq = 403.25 MHz; Vq = 59 dBmV;

measured at fp +fq = 752.5 MHz.

3. Measured according to DIN45004B:

fp = 341.25 MHz; Vp =Vo;

fq = 348.25 MHz; Vq =Vo −6 dB;

fr = 350.25 MHz; Vr =Vo −6 dB;

measured at fp +fq − fr = 339.25 MHz.

4. Measured according to DIN45004B:

fp = 851.25 MHz; Vp =Vo;

fq = 858.25 MHz; Vq =Vo −6 dB;

fr = 860.25 MHz; Vr =Vo −6 dB;

measured at fp +fq − fr = 849.25 MHz.

5. 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

Gp

power gain

f = 50 MHz

12

13

dB

SL

slope cable equivalent

f = 40 to 860 MHz

0.2

1.2

dB

FL

ﬂatness of frequency response

f = 40 to 860 MHz

−±0.3

dB

S11

input return losses

f = 40 MHz; note 1

20

−

dB

f = 800 to 860 MHz

10

−

dB

S22

output return losses

f = 40 MHz; note 1

20

−

dB

f = 640 to 860 MHz

15

−

dB

d2

second order distortion

note 2

−−53

dB

Vo

output voltage

dim = −60 dB; note 3

60.5

−

dBmV

dim = −60 dB; note 4

59.5

−

dBmV

F

noise ﬁgure

f = 350 MHz

−

8.5

dB

f = 860 MHz

−

9dB

Itot

total current consumption (DC)

note 5

−

240

mA

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