TDA8051 Datasheet, PDF (13/24 Pages) NXP Semiconductors – QPSK receiver

Philips Semiconductors
QPSK receiver
Product specification
TDA8051
handbook, full pagewidth
LNA_IN
100.3 MHz
102 MHz
100 % AM modulation
square wave 15 kHz
input signals at LNA_IN
+10 dBmV
0 dBmV
+5 V
×
0¡ 90¡
×
I_OUT1
VCO 200 MHz
Q_OUT1
I_OUT or Q_OUT
+42 dBm(Vrms)
AM_REJ
100.3
102
f (MHz)
baseband
demodulated AM
(15 KHz spacing)
Fig.9 Overall AM rejection measurement.
300
f (MHz)
AM sidebands
(15 KHz offset)
FCE178
handbook, full pagewidth
LNA_IN
100.5 MHz
100.3 MHz
+5 V
0 dB dBm(Vrms) each tone
×
0° 90°
×
I_OUT1
VCO 200 MHz
Q_OUT1
+42 dB dBm(Vrms) each tone
IM3 _IM2
1999 Aug 20
100.3 100.5
f (MHz)
100 200 300
500
700 _{f (kHz)}
FCE179
Fig.10 Overall IM3 measurement.
13