1997 Apr 10 5
Philips Semiconductors Product specification
CATV amplifier module BGY685AL
Table 3 Bandwidth 40 to 450 MHz; Tcase =30°C; ZS=Z
L=75Ω
Notes
1. fp= 55.25 MHz; Vp= 46 dBmV;
fq= 391.25 MHz; Vq= 46 dBmV;
measured at fp+f
q= 446.5 MHz.
2. fp= 440.25 MHz; Vp=V
o
;
f
q= 447.25 MHz; Vq=V
o−6 dB;
fr= 449.25 MHz; Vr=V
o−6 dB;
measured at fp+f
q−f
r= 438.25 MHz.
3. The module normally operates at VB= +24 V, but is able to withstand supply transients up to +30 V.
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
Gppower gain f = 50 MHz 18 19 dB
f = 450 MHz 18.3 −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
S11 input return losses f = 40 to 80 MHz 20 −dB
f = 80 to 160 MHz 19 −dB
f = 160 to 450 MHz 18 −dB
S22 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; Vo= 46 dBmV;
measured at 445.25 MHz −−58 dB
Xmod cross modulation 60 channels flat; Vo= 46 dBmV;
measured at 55.25 MHz −−54 dB
CSO composite second order
distortion 60 channels flat; Vo= 46 dBmV;
measured at 446.5 MHz −−58 dB
d2second order distortion note 1 −−70 dB
Vooutput voltage dim =−60 dB; note 2 62.5 −dBmV
F noise figure f = 450 MHz −4.5 dB
Itot total current consumption DC value; VB= +24 V; note 3 −250 mA