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TDA5634T Fiches technique(PDF) 2 Page - NXP Semiconductors

No de pièce TDA5634T
Description  9 V UHF mixer/oscillator for TV and VCR tuners
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Fabricant  PHILIPS [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TDA5634T Fiches technique(HTML) 2 Page - NXP Semiconductors

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1996 Nov 7
2
Philips Semiconductors
Product specification
9 V UHF mixer/oscillator for TV and VCR
tuners
TDA5634T
FEATURES
• Balanced mixer with a common base input
• 4-pin oscillator
• Local oscillator buffer output for external prescaler
• SAW filter preamplifier with a low output impedance to
drive the SAW filter directly
• Band gap voltage stabilizer for oscillator stability
• External IF filter between the mixer output and the IF
amplifier input.
APPLICATION
• UHF tuners for TV and VCR
• One band tuners.
GENERAL DESCRIPTION
The TDA5634T is an integrated circuit that performs the
UHF mixer/oscillator functions in TV and VCR tuners.
This low-power mixer/oscillator requires a power supply of
9 V and is available in a very small package.
The device gives the designer the capability to design an
economical and physically small tuner.
The tuner development time can be drastically reduced by
using this device.
The frequency band is determined by the external tank
circuit. It can be adapted to various standards.
QUICK REFERENCE DATA
Note
1. The limits are related to the tank circuits used in Fig.7 and the intermediate frequency. Frequency bands may be
adjusted by the choice of external components.
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VP
supply voltage
9.0
V
IP
supply current
35
mA
fRF
RF frequency
RF input; note 1
430
860
MHz
Gv
voltage gain
36
dB
NF
noise figure
not corrected for image
9
dB
Vo
output voltage causing 1% cross
modulation in channel
121
dB
µV
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA5634T
SO16
plastic small outline package; 16 leads; body width 3.9 mm
SOT109-1


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