BGY685A データシートの表示（PDF） - Philips Electronics
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BGY685A Datasheet PDF : 8 Pages
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Philips Semiconductors
CATV amplifier module
Product specification
BGY685A
Table 2 Bandwidth 40 to 550 MHz; Tcase = 30 °C; ZS = ZL = 75 Ω
SYMBOL
Gp
SL
FL
S11
S22
S21
CTB
Xmod
CSO
d2
Vo
F
Itot
PARAMETER
power gain
slope cable equivalent
flatness of frequency response
input return losses
output return losses
phase response
composite triple beat
cross modulation
composite second order
distortion
second order distortion
output voltage
noise figure
total current consumption (DC)
CONDITIONS
MIN.
f = 50 MHz
17.7
f = 550 MHz
18.8
f = 40 to 550 MHz
0.5
f = 40 to 550 MHz
−
f = 40 to 80 MHz
20
f = 80 to 160 MHz
19
f = 160 to 550 MHz
18
f = 40 to 80 MHz
20
f = 80 to 160 MHz
19
f = 160 to 550 MHz
18
f = 50 MHz
−45
77 channels flat; Vo = 44 dBmV; −
measured at 547.25 MHz
77 channels flat; Vo = 44 dBmV; −
measured at 55.25 MHz
77 channels flat; Vo = 44 dBmV; −
measured at 548.5 MHz
note 1
dim = −60 dB; note 2
f = 550 MHz
note 3
−
61.5
−
−
TYP.
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
220
MAX. UNIT
18.7 dB
20
dB
2
dB
±0.2 dB
−
dB
−
dB
−
dB
−
dB
−
dB
−
dB
+45 deg
−59 dB
−62 dB
−59 dB
−72 dB
−
dBmV
8
dB
240 mA
Notes
1. fp = 55.25 MHz; Vp = 44 dBmV;
fq = 493.25 MHz; Vq = 44 dBmV;
measured at fp + fq = 548.5 MHz.
2. 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.
3. The module normally operates at VB = 24 V, but is able to withstand supply transients up to 30 V.
1998 Mar 16
4
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