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1999 Mar 25 3
Philips Semiconductors Product specification
CATV amplifier modules BGY86; BGY87
CHARACTERISTICS
Bandwidth 40 to 450 MHz; V
B
= 24 V; T
mb
=30°C; Z
S
=Z
L
=75Ω
Notes
1. f
p
= 55.25 MHz; V
p
= 46 dBmV; f
q
= 391.25 MHz; V
q
= 46 dBmV; measured at f
p
+f
q
= 446.5 MHz.
2. Measured according to DIN45004B: f
p
= 440.25 MHz; V
p
=V
o
; 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 modules normally operate at V
B
= 24 V, but are able to withstand supply transients up to 30 V.
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
G
p
power gain f = 50 MHz 21.5 − 22.5 dB
f = 450 MHz 21.7 − 23.5 dB
SL slope cable equivalent f = 40 to 450 MHz 0 − 1.5 dB
FL flatness of frequency response f = 40 to 450 MHz −−±0.2 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
S
21
phase response f = 50 MHz +135 − +225 deg
CTB composite triple beat 60 channels flat;
V
o
= 46 dBmV;
measured at 445.25 MHz
BGY86 −−−54 dB
BGY87 −−−58 dB
X
mod
cross modulation 60 channels flat;
V
o
= 46 dBmV;
measured at 55.25 MHz
BGY86 −−−51 dB
BGY87 −−−55 dB
CSO composite second order distortion 60 channels flat;
V
o
= 46 dBmV;
measured at 446.5 MHz
−−−−
BGY86 −−−53 dB
BGY87 −−−57 dB
d
2
second order distortion note 1
BGY86 −−−68 dB
BGY87 −−−72 dB
V
o
output voltage d
im
= −60 dB; note 2
BGY86 61.5 −−dBmV
BGY87 64 −−dBmV
F noise figure f = 450 MHz
BGY86 −−6dB
BGY87 −−6.5 dB
I
tot
total current consumption (DC) note 3
BGY86 − 180 200 mA
BGY87 − 220 240 mA