TDA8051 データシートの表示（PDF） - Philips Electronics
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TDA8051 Datasheet PDF : 24 Pages
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Philips Semiconductors
QPSK receiver
Product specification
TDA8051
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX.
UNIT
∆ΦI-Q
phase error between I and Q fLO = 88 to 140 MHz;
−
±3 −
deg
channels
fRF = 44.25 to 70.25 MHz;
fBF = 250 kHz at 22 dBmV
over specified input range
∆GI-Q
gain error between I and Q fLO = 88 to 140 MHz;
−
±1 −
dB
channels
fRF = 44.25 to 70.25 MHz;
fBF = 250 kHz at 22 dBmV
over specified input range
IM3
3rd-order intermodulation in see Fig.3
I and Q channels
−
− −45
dBc
IM2
2nd-order intermodulation in see Fig.3
I and Q channels
−
− −40
dBc
AMREJ
AM rejection at I and Q
channels
guaranteed by design;
−
see Fig.4
− −38
dBc
∆Vo(I/Q)
output flatness at I and Q
in 1 MHz bandwidth
−
0.25 −
dB
outputs
f = 40 to 70 MHz
−
3−
dB
Vo(DC)
Ro
DC output level
output resistance
f = 70 to 130 MHz
−
3−
dB
−
2.5 −
V
−
400 −
Ω
Output section: Rs = 400 Ω/Ri = 4 kΩ/R on pin I_OUT2 or Q_OUT2 = 20 kΩ unless otherwise specified
VI(DC)
Vi
Ri
Ci
GO
DC input voltage
input level
input resistance
input capacitance
gain from
I-Q_IN1 to I-Q_OUT2
−
−
−
−
fBF = 1 MHz at 22 dBmV
−
3.6 −
22 −
17.5 −
0.4 −
3.8 −
V
dBmV
kΩ
pF
dB
∆Vo(I-Q_out2) output flatness on
fBF = 0 to 1.5 MHz
−
0.25 −
dB
pins I_OUT2 and Q_OUT2 fBF = 0 to 6 MHz at 22 dBmV −
1−
dB
input
Vo(flt)
Ro
H2
DC output level at filter output
−
output resistance
f < 20 MHz
−
2nd harmonic
fBF = 1 MHz at 48 dBmV
−
output
2.6 −
V
250 −
Ω
−40 −35
dBc
H3
3rd harmonic
fBF = 1 MHz at 48 dBmV
−
output
−45 −40
dBc
IM3
3rd-order intermodulation at see Fig.5
pins I_OUT and Q_OUT
−
−50 −45
dBc
αCT(I-Q)
crosstalk between I and Q f = 5 MHz; see Fig.6
−
channels
−40 −30
dBc
No
output noise power at
see Fig.7
500 kHz from carrier
−
−56 −
dBmv/Hz
GI-Q
gain from
I-Q_IN1 to I-Q_OUT
fBF = 1 MHz at 22 dBmV
−
input
27 −
dB
1999 Aug 20
8
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