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參數(shù)資料
| 型號： | TDA5737ATS |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 調(diào)諧器 |
| 英文描述： | 3-BAND, VIDEO TUNER, PDSO24 |
| 封裝： | 5.30 MM, PLASTIC, MO-150, SOT-340-1, SSOP-24 |
| 文件頁數(shù)： | 12/28頁 |
| 文件大?。?/td> | 180K |
| 代理商： | TDA5737ATS |
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2000 Dec 19
2
Philips Semiconductors
Preliminary specication
5 V VHF, hyperband and UHF
mixers/oscillators for TV and VCR 3-band tuners
TDA5737A
FEATURES
Balanced mixer with a common emitter input for band A
(single input)
2-pin oscillator for band A
Balanced mixer with a common base input for
bands B and C (balanced input)
3-pin oscillator for band B
4-pin oscillator for band C
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
Electronic band switch
External IF filter between the mixer output and the
IF amplifier input.
APPLICATIONS
3-band all channel TV and VCR tuners
Any standard.
GENERAL DESCRIPTION
The TDA5737A is a monolithic integrated circuit that
performs the mixer/oscillator functions for
bands A, B and C in TV and VCR tuners. This low power
mixer/oscillator requires a power supply of 5 V and is
available in a very small package.
This device gives the user the capability to design an
economical and physically small 3-band tuner.
It is suitable for European standards, as illustrated in
Fig.16, with the following RF bands: 48.25 to 168.25 MHz,
175.25 to 447.25 MHz and 455.25 to 855.25 MHz. With
an appropriate tuned circuit, it is also suitable for NTSC all
channel tuners (USA and Japan).
The tuner development time can be drastically reduced by
using this device.
QUICK REFERENCE DATA
Note
1. The limits are related to the tank circuits used in Fig.16 and the intermediate frequency. Frequency bands may be
adjusted by the choice of external components.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VP
supply voltage
5.0
V
IP
supply current
50
mA
fi(RF)
RF input frequency
band A; note 1
41
171
MHz
band B; note 1
166
451
MHz
band C; note 1
446
861
MHz
Gv
voltage gain
band A
23
dB
band B
34
dB
band C
34
dB
NF
noise gure
band A
7.5
dB
band B
8
dB
band C
9
dB
Vo
output voltage level causing 1% cross
modulation in channel
band A
116
dB
V
band B
115
dB
V
band C
115
dB
V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA5737M | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V VHF, hyperband and UHF mixers/oscillators for TV and VCR 3-band tuners |
| TDA5737M/C1 | 制造商:NXP Semiconductors 功能描述:2-BAND, VIDEO TUNER, 24 Pin Plastic SMT |
| TDA5744 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low power mixers/oscillators for hyperband tuners |
| 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 |
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