Page 1
DISCRETE SEMICONDUCTORS
DATA SH EET
ook, halfpage
M3D252
BGD508
CATV amplifier module
Product specification
Supersedes data of 1995 Nov 14
File under Discrete Semiconductors, SC16
1998 Mar 16
Page 2
Philips Semiconductors Product specification
CATV amplifier module BGD508
FEATURES
• Excellent linearity
• Extremely low noise
• Silicon nitride passivation
• Rugged construction
• Gold metallization ensures excellent reliability.
DESCRIPTION
Hybrid amplifier module for CATV systems in a SOT115J
package operating over a frequency range of
40 to 550 MHz at a voltage supply of 24 V (DC).
PINNING - SOT115J
PIN DESCRIPTION
1 input
2 common
3 common
5+V
7 common
8 common
9 output
handbook, halfpage
Side view
Fig.1 Simplified outline.
B
2
351
789
MSA319
QUICK REFERENCE DATA
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
G
p
power gain f = 50 MHz 35 37 dB
f = 550 MHz 36.5 − dB
I
tot
total current consumption (DC) VB=24V − 625 mA
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
operating mounting base temperature −20 +100 °C
1998 Mar 16 2
Page 3
Philips Semiconductors Product specification
CATV amplifier module BGD508
CHARACTERISTICS
Bandwidth 40 to 550 MHz; V
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
G
p
power gain f = 50 MHz 35 37 dB
SL slope cable equivalent f = 40 to 550 MHz 0.2 2.2 dB
FL flatness of frequency response f = 40 to 550 MHz −±0.4 dB
S
11
S
22
S
21
input return losses f = 40 to 80 MHz 20 − dB
output return losses f = 40 to 80 MHz 20 − dB
phase response f = 50 MHz −45 +45 deg
CTB composite triple beat 77 channels flat;
X
mod
cross modulation 77 channels flat;
CSO composite second order distortion 77 channels flat;
d
2
V
o
second order distortion note 1 −−70 dB
output voltage dim= −60 dB; note 2 63 − dBmV
F noise figure f = 550 MHz − 7.5 dB
I
tot
total current consumption (DC) note 3 − 625 mA
= 24 V; Tmb=35°C; ZS=ZL=75Ω.
B
f = 550 MHz 36.5 − dB
f = 80 to 160 MHz 19 − dB
f = 160 to 550 MHz 18 − dB
f = 80 to 160 MHz 19 − dB
f = 160 to 550 MHz 18 − dB
V
= 44 dBmV;
o
measured at 547.25 MHz
Vo= 44 dBmV;
measured at 55.25 MHz
V
= 44 dBmV;
o
measured at 548.5 MHz
−−62 dB
−−65 dB
−−60 dB
Notes
1. f
= 55.25 MHz; Vp= 46 dBmV;
p
fq= 393.25 MHz; Vq= 46 dBmV;
measured at fp+fq= 548.5 MHz.
2. Measured according to DIN45004B:
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.
1998 Mar 16 3
Page 4
Philips Semiconductors Product specification
CATV amplifier module BGD508
CHARACTERISTICS
Bandwidth 40 to 450 MHz; V
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
G
p
power gain f = 50 MHz 35 37 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
S
22
S
21
input return losses f = 40 to 80 MHz 20 − dB
output return losses f = 40 to 80 MHz 20 − dB
phase response f = 50 MHz −45 +45 deg
CTB composite triple beat 60 channels flat;
X
mod
cross modulation 60 channels flat;
CSO composite second order distortion 60 channels flat;
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) note 3 − 625 mA
= 24 V; Tmb=35°C; ZS=ZL=75Ω.
B
f = 450 MHz 36.5 − dB
f = 80 to 160 MHz 19 − dB
f = 160 to 450 MHz 18 − dB
f = 80 to 160 MHz 19 − dB
f = 160 to 450 MHz 18 − dB
V
= 46 dBmV;
o
measured at 445.25 MHz
Vo= 46 dBmV;
measured at 55.25 MHz
V
= 46 dBmV
o
measured at 446.5 MHz
−−64 dB
−−65 dB
−−62 dB
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. Measured according to DIN45004B:
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.
1998 Mar 16 4
Page 5
Philips Semiconductors Product specification
CATV amplifier module BGD508
HANDLING
As the BGD508 is a high gain amplifier with doubled output
power and 15 W dissipation, it is necessary to ground the
heatsink when the power supply is switched on or off.
Switching on
1. Ensure the 24 V (DC) supply is disconnected from the
printed-circuit board or test jig.
2. Ground the heatsink and the common pins (pins 2, 3,
7 and 8) of the module. Connect input and output pins
(pins 1 and 9) to a 75 Ω source and load.
3. Connect the 24 V (DC) to the module.
Permanent damage to the amplifier can be caused by
switching on the supply voltage when the heatsink is not
fully grounded.
Switching off
1. Disconnect the 24 V (DC) supply from the
printed-circuit board or test jig.
2. Disconnect the module.
Permanent damage to the amplifier can be caused by
disconnecting ground from the heatsink and common pins
before the module supply voltage is switched off.
1998 Mar 16 5
Page 6
Philips Semiconductors Product specification
CATV amplifier module BGD508
PACKAGE OUTLINE
Rectangular single-ended package; aluminium flange; 2 vertical mounting holes;
2 x 6-32 UNC and 2 extra horizontal mounting holes; 7 gold-plated in-line leads SOT115J
D
E
A
2
A
L
F
S
Z P
1
5
78923
c
d
U
Q
B
U
1
2
P
q
0 5 10 mm
W
scale
e
e
1
b
q
2
q
1
y M
B
w
y M
M
B
DIMENSIONS (mm are the original dimensions)
A
UNIT
max.
max.
mm 20.8 9.1
OUTLINE
VERSION
SOT115J
A
2
c
bF
0.51
0.25 27.2 2.54 13.75 2.54 5.08 12.7 8.8
0.38
IEC JEDEC EIAJ
D
max.
d
max.
E
max.
ee
1
REFERENCES
L
min.
1998 Mar 16 6
Q
∅ P
4.15
3.85
q
q1q
max.
2.4 38.1 25.4 10.2 4.2 44.75 8 0.25 0.1 3.8
2
U
1
S
max.
EUROPEAN
PROJECTION
W
U
2
6-32
UNC
yw
ISSUE DATE
97-04-10
Z
max.
Page 7
Philips Semiconductors Product specification
CATV amplifier module BGD508
DEFINITIONS
Data Sheet Status
Objective specification This data sheet contains target or goal specifications for product development.
Preliminary specification This data sheet contains preliminary data; supplementary data may be published later.
Product specification This data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
1998 Mar 16 7
Page 8
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© Philips Electronics N.V. 1998 SCA57
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner.
The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed
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Internet: http://www.semiconductors.philips.com
Printed in The Netherlands 125106/00/04/pp8 Date of release: 1998 Mar 16 Document order number: 9397 750 03444
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