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參數(shù)資料
| 型號： | TDA5744 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Low power mixers/oscillators for hyperband tuners |
| 中文描述： | 低功耗混頻器/振蕩器的調(diào)諧器的hyperband |
| 文件頁數(shù)： | 2/20頁 |
| 文件大?。?/td> | 123K |
| 代理商： | TDA5744 |
1998 Mar 09
2
Philips Semiconductors
Preliminary specification
Low power mixers/oscillators for
hyperband tuners
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 k
load)
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
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
CC
I
CC
T
stg
T
amb
f
i(RF)
supply voltage
supply current
IC storage temperature
operating ambient temperature
RF input frequency
operating
4.5
40
20
45.25
407.25
5
58
5.5
+150
+85
399.25 MHz
855.25 MHz
V
mA
°
C
°
C
VHF band
UHF band
VHF band
UHF band
VHF band
UHF band
VHF band
UHF band
G
V
voltage gain
27
38
8
8.5
119
118
dB
dB
dB
dB
dB
μ
V
dB
μ
V
F
noise figure
V
o
output voltage causing 1% cross
modulation in channel
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA5744TS;
TDA5745TS
SSOP24
plastic shrink small outline package; 24 leads; body width 5.3 mm
SOT340-1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA5744TS | Low power mixers/oscillators for hyperband tuners |
| TDA5745 | Low power mixers/oscillators for hyperband tuners |
| TDA5745TS | DIODE: SCHOTTKY, 60V, 1A, PACKAGE SMA |
| TDA6650TT | 5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
| TDA6650 | 5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA5744TS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low power mixers/oscillators for hyperband tuners |
| TDA5745 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low power mixers/oscillators for hyperband tuners |
| TDA5745TS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low power mixers/oscillators for hyperband tuners |
| TDA5800 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:VIDEO IF IC WITH AFC AND VTR CONNECTION |
| TDA5830-2 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:VIDEO IF IC WITH VTR CONNECTION AND QUASI PARALLERL SOUND |
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