1997 Apr 10 3
Philips Semiconductors Product specification
CATV amplifier modules BGY84A; BGY85A
CHARACTERISTICS
Table 1 Bandwidth 40 to 450 MHz; T
mb
=30°C; ZS=ZL=75Ω
Notes
1. f
p
= 55.25 MHz; Vp= 46 dBmV;
fq= 343.25 MHz; Vq= 46 dBmV;
measured at fp+fq= 398.5 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 modules normally operate at VB= +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 18 − 18.8 dB
f = 450 MHz 18.7 − 20.2 dB
SL slope cable equivalent f = 40 to 450 MHz 0.3 − 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
CTB composite triple beat 60 channels flat; V
o
= 46 dBmV;
measured at 445.25 MHz
BGY84A −−−55 dB
BGY85A −−−59 dB
X
mod
cross modulation 60 channels flat; Vo= 46 dBmV;
measured at 55.25 MHz
BGY84A −−−58 dB
BGY85A −−−61 dB
d
2
second order distortion note 1 −−−72 dB
V
o
output voltage dim= −60 dB; note 2
BGY84A 60 −−dBmV
BGY85A 62.5 −−dBmV
F noise figure f = 40 to 450 MHz
BGY84A −−6.5 dB
BGY85A −−7dB
I
tot
total current consumption DC value; VB= +24 V; note 3
BGY84A − 180 200 mA
BGY85A − 220 240 mA