BGD704 查看數據表（PDF） - Philips Electronics
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BGD704 Datasheet PDF : 12 Pages
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Philips Semiconductors
CATV amplifier module
Product specification
BGD704
Table 4 Bandwidth 40 to 450 MHz; VB = 24 V; Tmb = 35 °C; ZS = ZL = 75 Ω
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Gp
SL
FL
S11
S22
S21
CTB
Xmod
CSO
d2
Vo
F
Itot
power gain
f = 50 MHz
19.5 20
20.5 dB
f = 450 MHz
20
20.6 −
dB
slope cable equivalent
f = 40 to 450 MHz
0
−
2
dB
flatness of frequency response f = 40 to 450 MHz
−
−
±0.3 dB
input return losses
f = 40 to 80 MHz
20
31
−
dB
f = 80 to 160 MHz
19
29
−
dB
f = 160 to 320 MHz
18
25
−
dB
f = 320 to 450 MHz
17
21
−
dB
output return losses
f = 40 to 80 MHz
20
26
−
dB
f = 80 to 160 MHz
19
27
−
dB
f = 160 to 320 MHz
18
26
−
dB
f = 320 to 450 MHz
17
25
−
dB
phase response
f = 50 MHz
−45 −
+45 deg
composite triple beat
60 channels flat; Vo = 46 dBmV; −
−
−67 dB
measured at 445.25 MHz
cross modulation
60 channels flat; Vo = 46 dBmV; −
−
−64 dB
measured at 55.25 MHz
composite second order distortion 60 channels flat; Vo = 46 dBmV −
−
−63 dB
measured at 446.5 MHz
second order distortion
note 1
−
−
−73 dB
output voltage
noise figure
dim = −60 dB; note 2
see Table 1
66
−
−
dBmV
−
−
−
dB
total current consumption (DC) note 3
−
425 435 mA
Notes
1. fp = 55.25 MHz; Vp = 46 dBmV;
fq = 391.25 MHz; Vq = 46 dBmV;
measured at fp + fq = 446.5 MHz.
2. Measured according to DIN45004B:
fp = 440.25 MHz; Vp = Vo;
fq = 447.25 MHz; Vq = Vo −6 dB;
fr = 449.25 MHz; Vr = Vo −6 dB;
measured at fp + fq − fr = 438.25 MHz.
3. The module normally operates at VB = 24 V, but is able to withstand supply transients up to 30 V.
1999 Mar 22
6
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