Philips Semiconductors
Product specification
CATV amplifier module
BGY887B
Table 3 Bandwidth 40 to 750 MHz; VB = 24 V; Tmb = 30 °C; ZS = ZL = 75 Ω
SYMBOL
Gp
PARAMETER
CONDITIONS
f = 50 MHz
MIN.
28.5
MAX.
29.5
UNIT
dB
power gain
f = 750 MHz
29
−
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
SL
FL
S11
slope cable equivalent
flatness of frequency response
input return losses
f = 40 to 750 MHz
f = 40 to 750 MHz
f = 40 to 80 MHz
f = 80 to 160 MHz
f = 160 to 320 MHz
f = 320 to 640 MHz
f = 640 to 750 MHz
f = 40 to 80 MHz
f = 80 to 160 MHz
f = 160 to 320 MHz
f = 320 to 640 MHz
f = 640 to 750 MHz
0.2
−
2.2
±0.45
20
−
18.5
17
−
−
15.5
14
−
−
S22
output return losses
20
−
18.5
17
−
−
15.5
14
−
−
CTB
Xmod
CSO
composite triple beat
110 channels flat;
Vo = 44 dBmV;
−
−50
measured at 745.25 MHz
cross modulation
110 channels flat;
Vo = 44 dBmV;
measured at 55.25 MHz
−
−
−54
−56
dB
dB
composite second order distortion
110 channels flat;
Vo = 44 dBmV;
measured at 746.5 MHz
d2
Vo
F
second order distortion
output voltage
note 1
−
−70
−
dB
dim = −60 dB; note 2
see Table 1
note 3
59
−
dBmV
dB
noise figure
−
Itot
total current consumption (DC)
−
340
mA
Notes
1. fp = 55.25 MHz; Vp = 44 dBmV;
fq = 691.25 MHz; Vq = 44 dBmV;
measured at fp + fq = 746.5 MHz.
2. Measured according to DIN45004B:
fp = 740.25 MHz; Vp = Vo;
fq = 747.25 MHz; Vq = Vo −6 dB;
fr = 749.25 MHz; Vr = Vo −6 dB;
measured at fp + fq − fr = 738.25 MHz.
3. The module normally operates at VB = 24 V, but is able to withstand supply transients up to 30 V.
1997 Apr 15
5