Philips BGD108 Datasheet

DISCRETE SEMICONDUCTORS

DATA SH EET

BGD108

CATV amplifier module

Product specification
Supersedes data of February 1995
File under Discrete Semiconductors, SC16

1997 Apr 10

Philips Semiconductors Product specification

CATV amplifier module BGD108

FEATURES

• Excellent linearity

• Extremely low noise

• Silicon nitride passivation

• Rugged construction

• Gold metallization ensures

excellent reliability.

DESCRIPTION

PINNING - SOT115J

PIN DESCRIPTION

1 input
2 common
3 common
5+V
7 common
8 common
9 output

B

PIN CONFIGURATION

page

123 5 789

Side view

Fig.1 Simplified outline.

Hybrid amplifier module for CATV
systems operating over a frequency
range of 40 to 450 MHz at a voltage
supply of +24 V (DC).

QUICK REFERENCE DATA

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT

G

p

power gain f = 50 MHz 35 37 dB

f = 450 MHz 36.5 − dB

I

tot

total current consumption (DC) VB= +24 V − 625 mA

MSA319 - 1

LIMITING VALUES

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

SYMBOL PARAMETER MIN. MAX. UNIT

V

i

T

stg

T

mb

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

1997 Apr 10 2

Philips Semiconductors Product specification

CATV amplifier module BGD108

CHARACTERISTICS
Table 1 Bandwidth 40 to 450 MHz; T

=35°C; ZS=ZL=75Ω; VB= +24 V

case

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT

G

p

power gain f = 50 MHz 35 37 dB

f = 450 MHz 36.5 − dB
SL slope cable equivalent f = 40 to 450 MHz 0.2 2.2 dB
FL flatness of frequency response f = 40 to 450 MHz −±0.4 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
CTB composite triple beat 60 channels flat;

= 46 dBmV;

V

o

−−64 dB

measured at 445.25 MHz
X

mod

cross modulation 60 channels flat;

−−65 dB
Vo= 46 dBmV;
measured at 55.25 MHz

CSO composite second order

distortion

60 channels flat;
V

= 46 dBmV;

o

−−62 dB

measured at 446.5 MHz

d

2

V

o

second order distortion note 1 −−73 dB

output voltage dim= −60 dB; note 2 67 − dBmV
F noise figure f = 450 MHz − 7dB
I

tot

total current consumption DC value; VB= +24 V; note 3 − 625 mA

Notes

1. f

= 55.25 MHz; Vp= 46 dBmV;

p

fq= 391.25 MHz; Vq= 46 dBmV;
measured at fp+fq= 446.5 MHz.

2. fp= 440.25 MHz; Vp=Vo;
fq= 447.25 MHz; Vq=Vo−6 dB;
fr= 449.25 MHz; Vr=Vo−6 dB;
measured at fp+fq−fr= 438.25 MHz.

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

1997 Apr 10 3