Philips BGY88 - Manual (Page 3)

1997 Apr 09 3
Philips Semiconductors Product specification
CATV amplifier module BGY88
CHARACTERISTICS
Table 1 Bandwidth 40 to 450 MHz; T
mb
= 35
°
C; Z
S
= Z
L
= 75
Ω
Notes
1. f
p
= 55.25 MHz; V
p
= 46 dBmV;
f
q
= 343.25 MHz; V
q
= 46 dBmV;
measured at f
p
+ f
q
= 398.5 MHz.
2. Measured according to DIN45004B;
f
p
= 440.25 MHz; V
p
= V
o
= 62 dBmV;
f
q
= 447.25 MHz; V
q
= V
o
−
6 dB;
f
r
= 449.25 MHz; V
r
= V
o
−
6 dB;
measured at f
p
+ f
q
−
f
r
= 438.25 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. TYP. MAX. UNIT
G
p
power gain f = 50 MHz 33.5
−
35.5 dB
f = 450 MHz 35
−
37 dB
SL slope cable equivalent f = 40 to 450 MHz 0.5
−
2.5 dB
FL flatness of frequency response f = 40 to 450 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 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; V
o
= 46 dBmV;
measured at 445.25 MHz
− − −
58 dB
X
mod
cross modulation 60 channels flat; V
o
= 46 dBmV;
measured at 55.25 MHz
− − −
59 dB
d
2
second order distortion note 1
− − −
70 dB
V
o
output voltage d
im
=
−
60 dB note 2 62
− −
dBmV
F noise figure f = 450 MHz
− −
6 dB
I
tot
total current consumption DC value; V
B
= +24 V; note 3
−
320 340 mA