Philips BGY685AL Manual De Usuario
1997 Apr 10
3
Philips Semiconductors
Product specification
CATV amplifier module
BGY685AL
CHARACTERISTICS
Table 1
Bandwidth 40 to 600 MHz; T
case
= 30
°
C; Z
S
= Z
L
= 75
Ω
Notes
1. f
p
= 55.25 MHz; V
p
= 44 dBmV;
f
q
= 541.25 MHz; V
q
= 44 dBmV;
measured at f
p
+ f
q
= 596.5 MHz.
2. f
p
= 590.25 MHz; V
p
= V
o
;
f
q
= 597.25 MHz; V
q
= V
o
−
6 dB;
f
r
= 599.25 MHz; V
r
= V
o
−
6 dB;
measured at f
p
+ f
q
−
f
r
= 588.25 MHz.
3. The module normally operates at V
B
= +24 V, but is able to withstand supply transients up to +30 V.
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
G
p
power gain
f = 50 MHz
18
19
dB
f = 600 MHz
18.5
−
dB
SL
slope cable equivalent
f = 40 to 600 MHz
0.5
2.0
dB
FL
flatness of frequency response
f = 40 to 600 MHz
−
±
0.3
dB
S
11
input return losses
f = 40 to 80 MHz
20
−
dB
f = 80 to 160 MHz
19
−
dB
f = 160 to 600 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 600 MHz
18
−
dB
CTB
composite triple beat
85 channels flat; V
o
= 44 dBmV;
measured at 595.25 MHz
−
−
56
dB
X
mod
cross modulation
85 channels flat; V
o
= 44 dBmV;
measured at 55.25 MHz
−
−
55
dB
CSO
composite second order
distortion
distortion
85 channels flat; V
o
= 44 dBmV;
measured at 596.5 MHz
−
−
56
dB
d
2
second order distortion
note 1
−
−
70
dB
V
o
output voltage
d
im
=
−
60 dB; note 2
60
−
dBmV
F
noise figure
f = 600 MHz
−
5
dB
I
tot
total current consumption
DC value; V
B
= +24 V; note 3
−
250
mA