TDA6650TT Datasheet, PDF (36/55 Pages) NXP Semiconductors – 5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog)

Philips Semiconductors
5 V mixer/oscillator and low noise PLL synthesizer
for hybrid terrestrial tuner (digital and analog)
Product specification
TDA6650TT;
TDA6651TT
handbook, full pagewidth
signal
50 Ω source
e
Vmeas V
50
Ω
RMS
voltmeter
LBIN
or
IFOUTA
MBIN
DUT
27 Ω
spectrum
analyzer
50 Ω
IFOUTB
VCCA
FCE755
Z_i >> 50 Ω → V_i = 2 × V_meas.
V_i = V_meas + 6 dB.
Fig.25 Maximum RF input level without lock-out in low and mid band with asymmetrical IF output.
handbook, full pagewidth
signal
50 Ω source
A
C
e
Vmeas V
50
Ω
Vi ^HYBRID
50
RMS
Ω
voltmeter
B
D
HBIN1
IFOUTA
DUT
HBIN2
IFOUTB
27 Ω
spectrum
analyzer
50 Ω
VCCA
FCE756
Loss in hybrid = 1 dB.
V_i = V_meas − loss.
Fig.26 Maximum RF input level without lock-out in high band with asymmetrical IF output.
2004 Mar 22
36