Philips Semiconductors
Preliminary specification
CATV amplifier module
BGE787B
CHARACTERISTICS
Bandwidth 40 to 750 MHz; VB = 24 V; Tcase = 30 °C; ZS = ZL = 75 Ω.
SYMBOL
Gp
PARAMETER
power gain
CONDITIONS
f = 50 MHz
MIN.
28.5
MAX.
29.5
UNIT
dB
f = 750 MHz
29
−
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
deg
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
f = 50 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
−
−
s21
phase response
135
−
225
−48
CTB
composite triple beat
110 channels flat;
Vo = 44 dBmV; measured at
745.25 MHz
Xmod
CSO
cross modulation
110 channels flat;
Vo = 44 dBmV; measured at
55.25 MHz
−
−
−52
−56
dB
dB
composite second order distortion 110 channels flat;
Vo = 44 dBmV; measured at
746.5 MHz
d2
second order distortion
output voltage
note 1
−
−70
−
dB
Vo
NF
dim = −60 dB; note 2
f = 50 MHz
59
−
dBmV
dB
noise figure
5
f = 750 MHz
f = 40 MHz to 2 GHz
note 3
−
6.5
3
dB
PM
Itot
positive match
−
dB
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.
2000 Oct 03
3