Philips Semiconductors
CATV amplifier module
Objective specification
BGD906L
SYMBOL
PARAMETER
CONDITIONS
CSO
d2
composite second
order distortion
second order distortion
49 chs flat; Vo = 47 dBmV; fm = 860.5 MHz
77 chs flat; Vo = 44 dBmV; fm = 548.5 MHz
110 chs flat; Vo = 44 dBmV; fm = 746.5 MHz
129 chs flat; Vo = 44 dBmV; fm = 860.5 MHz
110 chs; fm = 250 MHz;
Vo = 49 dBmV at 550 MHz; note 1
129 chs; fm = 250 MHz;
Vo = 49.5 dBmV at 860 MHz; note 2
note 3
note 4
note 5
Vo
output voltage
dim = −60 dB; note 6
dim = −60 dB; note 7
dim = −60 dB; note 8
CTB compression = 1 dB; 129 chs flat;
f = 859.25 MHz
CSO compression = 1 dB; 129 chs flat;
f = 860.5 MHz
F
noise figure
f = 50 MHz
f = 550 MHz
f = 750 MHz
f = 900 MHz
Itot
total current
note 9
consumption (DC)
MIN.
−
−
−
−
−
TYP.
−
−
−
−
−
MAX. UNIT
−61 dB
−64 dB
−58 dB
−56 dB
tbd dB
−
−
tbd dB
−
−
−
−
−
−
61.5 −
62.5 −
64.5 −
tbd tbd
−70 dB
−72 dB
−76 dB
−
dBmV
−
dBmV
−
dBmV
−
dBmV
tbd tbd −
dBmV
−
−
5.5 dB
−
−
5
dB
−
−
6
dB
−
−
7.5 dB
350 365 380 mA
Notes
1. Tilt = 9 dB (50 to 550 MHz)
tilt = 3.5 dB at −6 dB offset (550 to 750 MHz).
2. Tilt = 12.5 dB (50 to 860 MHz).
3. fp = 55.25 MHz; Vp = 44 dBmV;
fq = 805.25 MHz; Vq = 44 dBmV;
measured at fp + fq = 860.5 MHz.
4. fp = 55.25 MHz; Vp = 44 dBmV;
fq = 691.25 MHz; Vq = 44 dBmV;
measured at fp + fq = 746.5 MHz.
5. fp = 55.25 MHz; Vp = 44 dBmV;
fq = 493.25 MHz; Vq = 44 dBmV;
measured at fp + fq = 548.5 MHz.
6. 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.
7. 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.
8. Measured according to DIN45004B:
fp = 540.25 MHz; Vp = Vo;
fq = 547.25 MHz; Vq = Vo −6 dB;
fr = 549.25 MHz; Vr = Vo −6 dB;
measured at fp + fq − fr = 538.25 MHz.
9. The module normally operates at VB = 24 V, but is
able to withstand supply transients up to 35 V.
1999 Mar 22
4