DISCRETE SEMICONDUCTORS
DATA SHEET
BGY685AL
CATV amplifier module
1997 Apr 10
Product specification
Supersedes data of February 1995
File under Discrete Semiconductors, SC16
Philips Semiconductors
Product specification
CATV amplifier module
BGY685AL
CHARACTERISTICS
Table 1 Bandwidth 40 to 600 MHz; Tcase = 30 °C; ZS = ZL = 75 Ω
SYMBOL
PARAMETER
power gain
CONDITIONS
f = 50 MHz
MIN.
18
MAX.
19
UNIT
dB
Gp
f = 600 MHz
18.5
0.5
−
20
19
18
20
19
18
−
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
SL
FL
slope cable equivalent
f = 40 to 600 MHz
2.0
±0.3
−
−
−
−
−
−
−56
flatness of frequency response f = 40 to 600 MHz
S11
input return losses
f = 40 to 80 MHz
f = 80 to 160 MHz
f = 160 to 600 MHz
f = 40 to 80 MHz
f = 80 to 160 MHz
f = 160 to 600 MHz
S22
output return losses
CTB
Xmod
CSO
composite triple beat
cross modulation
85 channels flat; Vo = 44 dBmV; −
measured at 595.25 MHz
85 channels flat; Vo = 44 dBmV; −
measured at 55.25 MHz
−55
dB
dB
composite second order
distortion
85 channels flat; Vo = 44 dBmV; −
measured at 596.5 MHz
−56
d2
Vo
F
second order distortion
output voltage
note 1
−
60
−
−70
−
dB
dim = −60 dB; note 2
f = 600 MHz
dBmV
dB
noise figure
5
Itot
total current consumption
DC value; VB = +24 V; note 3
−
250
mA
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.
1997 Apr 10
3
Philips Semiconductors
Product specification
CATV amplifier module
BGY685AL
Table 2 Bandwidth 40 to 550 MHz; Tcase = 30 °C; ZS = ZL = 75 Ω
SYMBOL
PARAMETER
power gain
CONDITIONS
f = 50 MHz
MIN.
18
MAX.
19
UNIT
dB
Gp
f = 550 MHz
18.5
0.5
−
20
19
18
20
19
18
−
−
2
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
SL
FL
slope cable equivalent
f = 40 to 550 MHz
flatness of frequency response f = 40 to 550 MHz
±0.3
−
−
−
−
−
−
−58
S11
input return losses
f = 40 to 80 MHz
f = 80 to 160 MHz
f = 160 to 550 MHz
f = 40 to 80 MHz
f = 80 to 160 MHz
f = 160 to 550 MHz
S22
output return losses
CTB
Xmod
CSO
composite triple beat
cross modulation
77 channels flat; Vo = 44 dBmV;
measured at 547.25 MHz
77 channels flat; Vo = 44 dBmV;
measured at 55.25 MHz
−
−
−56
dB
dB
composite second order
distortion
77 channels flat; Vo = 44 dBmV;
measured at 548.5 MHz
−58
d2
Vo
F
second order distortion
output voltage
note 1
−
61.5
−
−72
−
4.5
250
dB
dim = −60 dB; note 2
f = 550 MHz
dBmV
dB
noise figure
Itot
total current consumption
DC value; VB = +24 V; note 3
−
mA
Notes
1. fp = 55.25 MHz; Vp = 44 dBmV;
fq = 493.25 MHz; Vq = 44 dBmV;
measured at fp + fq = 548.5 MHz.
2. fp = 540.25 MHz; Vp = Vo;
fq = 547.25 MHz; Vq = Vo −6 dB;
fr = 549.25 MHz; Vr = Vo −6 dB;
measured at fp + fq −fr = 538.25 MHz.
3. The module normally operates at VB = +24 V, but is able to withstand supply transients up to +30 V.
1997 Apr 10
4
Philips Semiconductors
Product specification
CATV amplifier module
BGY685AL
Table 3 Bandwidth 40 to 450 MHz; Tcase = 30 °C; ZS = ZL = 75 Ω
SYMBOL
PARAMETER
power gain
CONDITIONS
f = 50 MHz
MIN.
18
MAX.
19
UNIT
dB
Gp
f = 450 MHz
18.3
0.3
−
20
19
18
20
19
18
−
−
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
SL
FL
slope cable equivalent
f = 40 to 450 MHz
1.5
±0.2
−
−
−
−
−
−
−58
flatness of frequency response f = 40 to 450 MHz
S11
input return losses
f = 40 to 80 MHz
f = 80 to 160 MHz
f = 160 to 450 MHz
f = 40 to 80 MHz
f = 80 to 160 MHz
f = 160 to 450 MHz
S22
output return losses
CTB
Xmod
CSO
composite triple beat
cross modulation
60 channels flat; Vo = 46 dBmV;
measured at 445.25 MHz
60 channels flat; Vo = 46 dBmV;
measured at 55.25 MHz
−
−
−54
dB
dB
composite second order
distortion
60 channels flat; Vo = 46 dBmV;
measured at 446.5 MHz
−58
d2
Vo
F
second order distortion
output voltage
note 1
−
62.5
−
−70
−
4.5
250
dB
dim = −60 dB; note 2
f = 450 MHz
dBmV
dB
noise figure
Itot
total current consumption
DC value; VB = +24 V; note 3
−
mA
Notes
1. fp = 55.25 MHz; Vp = 46 dBmV;
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
5
Philips Semiconductors
Product specification
CATV amplifier module
BGY685AL
PACKAGE OUTLINE
27.2 max
10.2
13.8 max
3.8
max
4.15
3.85
8
9.2
max
20.8
max
8.8
min
12.7
4.2
1 2 3
2.54
5
7 8
(2)
9
0.51
0.25
2.54
M
∅ 0.25
(1)
UNC 6-32
2.4 max
0.38
(5.08)
25.4
MSA318 - 1
4.15
3.85
44.8
max
38.1
Dimensions in mm.
(1) Screw 6-32 UNC-2A available on request.
(2) Leads gold plated.
Fig.2 SOT115J.
1997 Apr 10
6
Philips Semiconductors
Product specification
CATV amplifier module
BGY685AL
DEFINITIONS
Data Sheet Status
Objective specification
Preliminary specification
Product specification
This data sheet contains target or goal specifications for product development.
This data sheet contains preliminary data; supplementary data may be published later.
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.
1997 Apr 10
7
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© Philips Electronics N.V. 1997
SCA54
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Printed in The Netherlands
127167/00/02/pp8
Date of release: 1997 Apr 10
Document order number: 9397 750 02103
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