Philips Semiconductors
CATV amplifier module
Product specification
BGD804N
CHARACTERISTICS
Table 1 Bandwidth 40 to 860 MHz; VB = 24 V; Tcase = 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 = 860 MHz
f = 40 to 860 MHz
f = 40 to 860 MHz
f = 40 to 80 MHz
f = 80 to 160 MHz
f = 160 to 320 MHz
f = 320 to 640 MHz
f = 640 to 860 MHz
f = 40 to 80 MHz
f = 80 to 160 MHz
f = 160 to 860 MHz
f = 50 MHz
49 channels flat; Vo = 47 dBmV;
measured at 859.25 MHz
49 channels flat; Vo = 47 dBmV;
measured at 55.25 MHz
49 channels flat; Vo = 47 dBmV;
measured at 860.5 MHz
note 1
dim = −60 dB; note 2
f = 50 MHz
f = 550 MHz
f = 650 MHz
f = 750 MHz
f = 860 MHz
note 3
MIN.
19.5
20
0.2
−
20
18.5
17
15.5
14
20
18.5
17
−45
−
TYP.
20
21
0.9
±0.1
29.5
23.5
20.5
19.5
17.5
30
31
21
−
−65
MAX.
20.5
−
2
±0.25
−
−
−
−
−
−
−
−
+45
−62
UNIT
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
deg
dB
−
−64 −61 dB
−
−66 −58 dB
−
−77.5 −67 dB
61
63
−
dBmV
−
4.5 5
dB
−
−
5.5 dB
−
−
6.5 dB
−
−
7
dB
−
6.5 8
dB
−
395 410 mA
Notes
1. fp = 55.25 MHz; Vp = 44 dBmV;
fq = 805.25 MHz; Vq = 44 dBmV;
measured at fp + fq = 860.5 MHz.
2. Measured according to DIN45004B;
fp = 851.25 MHz; Vp = Vo;
fq = 858.25 MHz; Vq = Vo −6 dB;
fr = 860.25 MHz; Vr = Vo −6 dB;
measured at fp + fq − fr = 849.25 MHz.
3. The module normally operates at VB = 24 V, but is able to withstand supply transients up to 30 V.
1999 Mar 26
3