TDA8050 Просмотр технического описания (PDF) - Philips Electronics
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TDA8050 Datasheet PDF : 24 Pages
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Philips Semiconductors
QPSK transmitter
Product specification
TDA8050
SYMBOL
PARAMETER
CONDITIONS
Converter output
Vo
∆Vo
fc
Zo(dif)
IM3
H2
H3
So
output level
fi = 30 MHz; Vi(dif) = 100 mV
at I and Q inputs
output flatness
fi = 5 to 40 MHz;
Vi(dif) = 100 mV at I and Q
inputs
output centre frequency
differential output impedance
3rd-order intermodulation distortion see Fig.4
2nd-order harmonic of 5 to 40 MHz fi = 10 to 80 MHz;
signal
Vi(dif) = 100 mV at I and Q
inputs
3rd-order harmonic of 5 to 40 MHz fi = 15 to 120 MHz;
signal
Vi(dif) = 100 mV at I and Q
inputs
mixer spurious outputs of
5 to 40 MHz signal
fi = 5 to 40 MHz;
Vi(dif) = 100 mV at I and Q
inputs
Converter voltage controlled oscillator
fosc(min)
minimum oscillation frequency
fosc(max)
maximum oscillation frequency
Programmable gain and output buffer; note 1
Zi(dif)
∆G
∆Bufo
Vo
∆Vo
VO(ENL)
VO(ENH)
ISO
G(max)
Vo(1dB)
H2
differential input impedance
output level step size
output level adjust range
output level
output flatness
output controlled enable LOW
output controlled enable HIGH
disable isolation
maximum gain
1 dB compression point
2nd-order harmonic of 5 to 40 MHz
signal
Vi = 30 dBmV sine wave;
40 MHz at pin
RF_IN and RF_INC;
DAC = 0 to 31
fi = 5 to 40 MHz;
Vi = 30 dBmV sine wave;
DAC = 28
output buffer on
output buffer off
Vi(dif) = 100 mV;
Vo = 55 dBmV; DAC = 28;
fi = 40 MHz; OE = 0.5
see Fig.5
see Fig.5
see Fig.6
fi = 10 to 40 MHz
fi= 54 to 120 MHz
MIN. TYP. MAX. UNIT
37.5 40
−
−
42.5 dBmV
2
dB
5
−
40
MHz
−
150 −
Ω
−
−
−35 dBc
−
−
−45 dBc
−
−
−45 dBc
−
−
−50 dBc
−
−
180 −
145 MHz
−
MHz
−
5.6
−
kΩ
−
−
2
dB
32
−
−
dB
−
55
−
dBmV
−
−
2
dB
−
−
2.4
−
−35 −
0.8
V
−
V
−
dBc
−
22
−
60
−
−
dB
dBmV
−
−
−45 dBc
−
−
−35 dBc
1999 Dec 14
7
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