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TDA5744 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Low power mixers/oscillators for hyperband tuners - NXP

भाग संख्या TDA5744
समारोह Low power mixers/oscillators for hyperband tuners
मैन्युफैक्चरर्स NXP 
लोगो NXP लोगो 
पूर्व दर्शन
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<?=TDA5744?> डेटा पत्रक पीडीएफ

TDA5744 pdf
Philips Semiconductors
Low power mixers/oscillators for
hyperband tuners
Preliminary specification
TDA5744; TDA5745
FEATURES
Mixers/oscillators for hyperband tuners
Balanced mixer with a common emitter input for VHF
(single input)
Balanced mixer with a common base input for UHF
(double input)
4-pin common emitter oscillator for VHF
4-pin common emitter oscillator for UHF
Electronic band switch
IF amplifier with a low output impedance to drive the
SAW filter directly (2 kload)
Low power, low radiation and small size
Pin compatible single-chip synthesizer mixer/oscillator
for Full Scale Tuners (FST) are available: TDA6404,
TDA6405 and TDA6405A.
APPLICATIONS
Hyperband tuners for Europe using a 2-band
mixer/oscillator in a switched concept.
GENERAL DESCRIPTION
The TDA5744 and TDA5745 are 2-band mixers/oscillators
intended for VHF/UHF and hyperband tuners (see Fig.1).
The Integrated Circuits (ICs) include two double balanced
mixers and two oscillators, for the VHF and UHF band, and
an IF amplifier. With proper oscillator application and by
using a switchable inductor to split the VHF band into two
sub-bands (the full VHF/UHF and hyperband) the TV
bands can be covered. Two pins are available between
the mixer output and the IF amplifier input to enable IF
filtering for improved signal handling. Band selection is
made by band switch pin BS.
QUICK REFERENCE DATA
SYMBOL
VCC
ICC
Tstg
Tamb
fi(RF)
PARAMETER
supply voltage
supply current
IC storage temperature
operating ambient temperature
RF input frequency
GV voltage gain
F noise figure
Vo output voltage causing 1% cross
modulation in channel
CONDITIONS
operating
VHF band
UHF band
VHF band
UHF band
VHF band
UHF band
VHF band
UHF band
MIN. TYP.
4.5 5
58
40
20
45.25
407.25
27
38
8
8.5
119
118
MAX. UNIT
5.5
+150
+85
V
mA
°C
°C
399.25 MHz
855.25 MHz
dB
dB
dB
dB
dBµV
dBµV
ORDERING INFORMATION
TYPE
NUMBER
TDA5744TS;
TDA5745TS
NAME
SSOP24
PACKAGE
DESCRIPTION
plastic shrink small outline package; 24 leads; body width 5.3 mm
VERSION
SOT340-1
1998 Mar 09
2

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अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
TDA5744Low power mixers/oscillators for hyperband tunersNXP
NXP
TDA5745Low power mixers/oscillators for hyperband tunersNXP
NXP


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