Philips Semiconductors
CATV amplifier module
Product specification
BGD704N
CHARACTERISTICS
Table 1 Bandwidth 40 to 750 MHz; VB = 24 V; Tmb = 35 °C; ZS = ZL = 75 Ω
SYMBOL
PARAMETER
Gp
power gain
SL
slope cable equivalent
FL
flatness of frequency response
S11
input return losses
S22
output return losses
S21
CTB
Xmod
CSO
d2
Vo
F
phase response
composite triple beat
cross modulation
composite second order distortion
second order distortion
output voltage
noise figure
Itot
total current consumption (DC)
CONDITIONS
f = 50 MHz
f = 750 MHz
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
110 channels flat; Vo = 44 dBmV;
measured at 745.25 MHz
110 channels flat; Vo = 44 dBmV;
measured at 55.25 MHz
110 channels flat; Vo = 44 dBmV;
measured at 746.5 MHz
note 1
dim = −60 dB; note 2
f = 50 MHz
f = 450 MHz
f = 550 MHz
f = 600 MHz
f = 750 MHz
note 3
MIN.
19.5
20
0
−
20
19
18
17
16
20
19
18
17
16
−45
−
MAX.
20.5
−
2
±0.25
−
−
−
−
−
−
−
−
−
−
+45
−57
UNIT
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
deg
dB
−
−61
dB
−
−56
dB
−
−66
60.5 −
−
5
−
6.5
−
7
−
7
−
8.5
−
435
dB
dBmV
dB
dB
dB
dB
dB
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.
1998 Feb 02
3