Philips Semiconductors
CATV amplifier module
Product specification
BGY585
CHARACTERISTICS
Bandwidth 40 to 450 MHz; VB = 24 V; Tmb = 30 °C; ZS = ZL = 75 Ω
SYMBOL
Gp
SL
FL
S11
S22
S21
CTB
Xmod
CSO
d2
Vo
F
Itot
PARAMETER
CONDITIONS
power gain
f = 50 MHz
f = 450 MHz
slope cable equivalent
f = 40 to 450 MHz
flatness of frequency response f = 40 to 450 MHz
input return losses
f = 40 to 80 MHz
f = 80 to 160 MHz
f = 160 to 450 MHz
output return losses
f = 40 to 80 MHz
f = 80 to 160 MHz
f = 160 to 450 MHz
phase response
f = 50 MHz
composite triple beat
60 channels flat;
Vo = 46 dBmV;
measured at 445.25 MHz
cross modulation
60 channels flat;
Vo = 46 dBmV;
measured at 55.25 MHz
composite second order distortion 60 channels flat;
Vo = 46 dBmV;
measured at 446.5 MHz
second order distortion
note 1
output voltage
noise figure
dim = −60 dB; note 2
f = 450 MHz
total current consumption (DC) note 3
MIN.
16.5
17.4
0.5
−
20
19
18
20
19
18
−45
−
TYP.
−
−
−
−
−
−
−
−
−
−
−
−
MAX. UNIT
17.5 dB
18.8 dB
1.8
dB
±0.2 dB
−
dB
−
dB
−
dB
−
dB
−
dB
−
dB
+45 deg
−61 dB
−
−
−60 dB
−
−
−61 dB
−
−
−75 dB
64
−
−
dBmV
−
−
7
dB
−
220 240 mA
Notes
1. fp = 55.25 MHz; Vp = 46 dBmV;
fq = 391.25 MHz; Vq = 46 dBmV;
measured at fp + fq = 446.5 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 module normally operates at VB = 24 V, but is able to withstand supply transients up to 30 V.
1999 Mar 22
4