tda6503a NXP Semiconductors, tda6503a Datasheet - Page 26

• Manufacturer Part Number: tda6503a
• Description: 5 V Mixers/oscillators And Synthesizers For Cable Tv And Vcr 2-band Tuners
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2001 Aug 22
handbook, full pagewidth
handbook, full pagewidth
5 V mixers/oscillators and synthesizers for
cable TV and VCR 2-band tuners
Loss (in hybrid) = 1 dB.
NF = NF
Loss (in hybrid) = 1 dB.
V
V
G
i
o
v
= V
= V’
= 20 log
meas
meas
meas
V
----- -
V
loss (in hybrid) = 70 dB V.
o
i
50
------------------ -
loss (in hybrid).
e
50
+
27
50
V meas
signal
source
SOURCE
NOISE
voltmeter
Fig.17 Noise figure (NF) measurement in bands UHF.
V
RMS
50
Fig.16 Gain (G
50
50
V i
B
A
HYBRID
B
A
HYBRID
C
D
v
) measurement in UHF band.
C
D
UHFIN
UHFIN
26
D.U.T.
UHFIN1 IFOUT
UHFIN2
IFOUT
D.U.T.
27
V o
TDA6502; TDA6502A;
TDA6503; TDA6503A
27
V' meas
FIGURE
METER
NOISE
FCE582
spectrum
analyzer
50
Product specification
FCE581