Philips BGY888 Datasheet

DISCRETE SEMICONDUCTORS

DATA SH EET

ook, halfpage

M3D252

BGY888

CATV amplifier module

Product specification
Supersedes data of 1997 Apr 10

1999 Mar 30

Philips Semiconductors Product specification

CATV amplifier module BGY888

FEATURES

• Excellent linearity

• Extremely low noise

• High gain

• Excellent return loss properties.

PINNING SOT115J

PIN DESCRIPTION

1 input

2, 3 common

5+V

B

7, 8 common

APPLICATIONS

9 output

• Single module line extender in CATV systems operating
over a frequency range of 40 to 860 MHz.

handbook, halfpage

DESCRIPTION

2

789

351

Hybrid high dynamic range amplifier module operating
with a voltage supply of 24 V in a SOT115J package. The
high gain module consists of two cascaded stages both in
cascode configuration.

Side view

Fig.1 Simplified outline.

MSA319

QUICK REFERENCE DATA

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT

G

p

power gain f = 50 MHz 33.5 34.5 dB

f = 860 MHz 34 − dB

I

tot

total current consumption (DC) VB=24V − 340 mA

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134).

SYMBOL PARAMETER MIN. MAX. UNIT

V

i

T

mb

T

stg

RF input voltage − 55 dBmV
operating mounting base temperature −20 +100 °C
storage temperature −40 +100 °C

1999 Mar 30 2

Philips Semiconductors Product specification

CATV amplifier module BGY888

CHARACTERISTICS
Table 1 Bandwidth 40 to 860 MHz; V

= 24 V; T

B

=30°C; ZS=ZL=75Ω

case

SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT

G

p

power gain f = 50 MHz 33.5 34 34.5 dB

f = 860 MHz 34 35 − dB
SL slope cable equivalent f = 40 to 860 MHz 0.5 1.1 2.5 dB
FL flatness of frequency response f = 40 to 860 MHz −±0.2 ±0.5 dB
S

11

input return losses f = 40 to 80 MHz 20 25 − dB

f = 80 to 160 MHz 18.5 28 − dB

f = 160 to 320 MHz 17 28 − dB

f = 320 to 640 MHz 15.5 21 − dB

f = 640 to 860 MHz 14 18.5 − dB
S

22

output return losses f = 40 to 80 MHz 20 25.5 − dB

f = 80 to 160 MHz 18.5 28.5 − dB

f = 160 to 320 MHz 17 26.5 − dB

f = 320 to 640 MHz 15.5 20.5 − dB

f = 640 to 860 MHz 14 21 − dB
S

21

CTB composite triple beat 49 channels flat; V

phase response f = 50 MHz 135 − 225 deg

= 44 dBmV;

o

−−63.5 −60 dB

measured at 859.25 MHz
X

mod

cross modulation 49 channels flat; Vo= 44 dBmV;

−−63 −59 dB

measured at 55.25 MHz
CSO composite second order

distortion

d

2

V

o

second order distortion note 1 −−74 −65 dB
output voltage dim= −60 dB; note 2 58 60 − dBmV

49 channels flat; V

= 44 dBmV;

o

measured at 860.5 MHz

−−64 −55 dB

F noise figure f = 50 MHz − 4 4.5 dB

f = 550 MHz −−5dB

f = 600 MHz −−5dB

f = 650 MHz −−5.5 dB

f = 750 MHz −−6dB

f = 860 MHz − 5.5 7 dB
I

tot

total current consumption (DC) note 3 − 325 340 mA

Notes

1. f

= 55.25 MHz; Vp= 44 dBmV;

p

fq= 805.25 MHz; Vq= 44 dBmV;
measured at fp+fq= 860.5 MHz.

2. 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.

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

1999 Mar 30 3

Philips Semiconductors Product specification

CATV amplifier module BGY888

Table 2 Bandwidth 40 to 860 MHz; VB= 24 V; T

=30°C; ZS=ZL= 75 Ω

case

SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT

G

p

power gain f = 50 MHz 33.5 34 34.5 dB

f = 860 MHz 34 35 − dB
SL slope cable equivalent f = 40 to 860 MHz 0.5 1.1 2.5 dB
FL flatness of frequency response f = 40 to 860 MHz −±0.2 ±0.5 dB
S

11

input return losses f = 40 to 80 MHz 20 25 − dB

f = 80 to 160 MHz 18.5 28 − dB

f = 160 to 320 MHz 17 28 − dB

f = 320 to 640 MHz 15.5 21 − dB

f = 640 to 860 MHz 14 18.5 − dB
S

22

output return losses f = 40 to 80 MHz 20 25.5 − dB

f = 80 to 160 MHz 18.5 28.5 − dB

f = 160 to 320 MHz 17 26.5 − dB

f = 320 to 640 MHz 15.5 20.5 − dB

f = 640 to 860 MHz 14 21 − dB
S

21

CTB composite triple beat 129 channels flat; V

phase response f = 50 MHz 135 − 225 deg

= 44 dBmV;

o

−−47.5 −46 dB

measured at 859.25 MHz
X

mod

cross modulation 129 channels flat; Vo= 44 dBmV;

−−53.5 −50 dB

measured at 55.25 MHz
CSO composite second order

distortion

d

2

V

o

second order distortion note 1 −−74 −65 dB
output voltage dim= −60 dB; note 2 58 60 − dBmV

129 channels flat; V

= 44 dBmV;

o

measured at 860.5 MHz

−−56 −48 dB

F noise figure see Table 1 −−−dB
I

tot

total current consumption (DC) note 3 − 325 340 mA

Notes

1. f

= 55.25 MHz; Vp= 44 dBmV;

p

fq= 805.25 MHz; Vq= 44 dBmV;
measured at fp+fq= 860.5 MHz.

2. 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.

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

1999 Mar 30 4