TDA6403 PHILIPS [NXP Semiconductors], TDA6403 Datasheet - Page 23

• Manufacturer Part Number: TDA6403
• Description: 5 V mixers/oscillators and synthesizers for cable TV and VCR 2-band tuners
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
2000 Jan 24
handbook, full pagewidth
handbook, full pagewidth
5 V mixers/oscillators and synthesizers for
cable TV and VCR 2-band tuners
V
Wanted output signal at f
Measuring the level of the unwanted output signal V
f
Filter characteristics: f
NF = NF
OSC
o
= V
= 101 (407) MHz.
meas
meas
e w
e u
50
------------------ -
loss (of input circuit) (dB).
50
+
22
50
50
C
= 45.75 MHz, f
RFW
AM = 50%
SOURCE
unwanted
NOISE
wanted
source
source
1 kHz
signal
signal
= 55.25 (361.25) MHz; V
Fig.15 Cross modulation measurement in VHF band.
Fig.14 Noise figure (NF) measurement in VHF band.
3 dB(BW)
B
A
HYBRID
= 1.4 MHz, f
C
D
BNC
o(u)
CIRCUIT
o(w)
INPUT
causing 0.5% AM modulation in the wanted output signal; f
50
= 100 dB V.
30 dB(BW)
RIM
VHFIN
D.U.T.
= 3.1 MHz.
IFOUT
23
VHFIN
D.U.T.
IFOUT
V o
22
voltmeter
RMS
V
attenuator
V meas
18 dB
22
TDA6402; TDA6402A;
TDA6403; TDA6403A
45.75 MHz
FILTER
FIGURE
METER
RFU
NOISE
MGE699
= 59.75 (366.75) MHz.
Product specification
modulation
analyzer
50
MGE700