BGY681 查看數據表（PDF） - Philips Electronics
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BGY681 Datasheet PDF : 5 Pages
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Philips Semiconductors
CATV amplifier module
Product specification
BGY681
CHARACTERISTICS
Bandwidth 40 to 550 MHz; VB = 24 V; Tmb = 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
f = 50 MHz
f = 550 MHz
f = 40 to 550 MHz
f = 40 to 550 MHz
f = 40 to 80 MHz
f = 80 to 160 MHz
f = 160 to 550 MHz
f = 40 to 80 MHz
f = 80 to 160 MHz
f = 160 to 550 MHz
f = 50 MHz
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
MIN.
12
12.5
0.5
−
20
19
18
20
19
18
−45
−
TYP.
−
−
−
−
−
−
−
−
−
−
−
−
MAX. UNIT
13
dB
14.5 dB
2
dB
±0.2 dB
−
dB
−
dB
−
dB
−
dB
−
dB
−
dB
+45 deg
−56 dB
−
−
−62 dB
−
−
−59 dB
−
−
−72 dB
61.5 −
−
dBmV
−
−
9
dB
−
220 240 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. 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.
3. The module normally operates at VB = 24 V, but is able to withstand supply transients up to 30 V.
February 1995
4
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