TDA8050A データシートの表示（PDF） - Philips Electronics
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TDA8050A Datasheet PDF : 28 Pages
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Philips Semiconductors
QPSK transmitter
Product specification
TDA8050A
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP.
Programmable gain and output buffer; note 1
Zi(dif)
∆G
differential input impedance
output level step size
−
5.6
−
−
∆bufO
output level adjust range
Vi = 30 dBmV sine wave
65 MHz at pins
RF_IN and RF_INC;
DAC = 0 to 31
32 39
Vo
operational output level
−
55
∆Vo
output flatness
f = 5 to 65 MHz; Vi = 30 dBmV −
3
sine wave; DAC = 28
VIL(ENL)
VIH(ENH)
ISO
output controlled enable low
output controlled enable high
disable isolation
output buffer on
output buffer off
Vi = 100 mVdif; DAC = 28;
f = 65 MHz; OE = 0,5 V
−
−
2.4 −
−35 −90
GV(max)
Vo(1dB)
H2
H3
maximum gain
1 dB compression point
2nd order harmonic of
5 to 65 MHz signal
3rd order harmonic
of 5 to 65 MHz signal
see Fig.5
see Fig.5
f = 10 to 65 MHz; see Fig.6
f = 65 to 120 MHz; see Fig.6
f = 15 to 65 MHz; see Fig.6
f = 65 to 120 MHz; see Fig.6
17 18.5
58 −
−
−
−
−
−
−
−
−
Overall; note 1
Φosc
phase noise
at 10 kHz; note 2
at 100 kHz; note 2
−
−75
−
−95
H2
2nd order harmonic of
f = 10 to 130 MHz;
−
−
5 to 65 MHz signal
Vin = 100 mVdif at I and Q
inputs; Vout = 55 dBmV
H3
3rd order harmonic
of 5 to 65 MHz signal
f = 15 to 195 MHz;
Vin = 100 mVdif at I and Q
inputs; Vout = 55 dBmV
−
−
So
spurious signals of 5 to 65 MHz f = 5 to 65 MHz; Vin = 100 mVdif −
−
signal
at I and Q inputs;
Vout = 55 dBmV
IP3
3rd order interception point at
I input
−
−
ISOtot
C/N
total isolation at I/Q midrange
carrier to noise ratio at final
output at 2 MHz from carrier
see Fig.7
Vin = 100 mVdif;
Vout = 35 to 55 dBmV;
f = 65 MHz
−
−90
−
113
MAX. UNIT
−
kΩ
2
dB
−
dB
−
dBmV
5
dB
0.8 V
−
V
−
dBc
−
dB
−
dBmV
−45 dBc
−35 dBc
−45 dBc
−35 dBc
−
dBc/Hz
−
dBc/Hz
−40 dBc
−40 dBc
−45 dBc
49 dBmV
−65 dBc
−
dBc/Hz
1999 Nov 05
8
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