參數(shù)資料
型號: 935261948118
廠商: NXP SEMICONDUCTORS
元件分類: 調(diào)諧器
英文描述: 2-BAND, VIDEO TUNER, PDSO24
封裝: PLASTIC, SOT-137, SO-24
文件頁數(shù): 22/31頁
文件大?。?/td> 328K
代理商: 935261948118
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TDA5736; TDA5737
Information as of 2000-08-22
TDA5736; TDA5737; 5 V VHF, hyperband and UHF mixers/oscillators for TV and VCR 3-band tuners
The TDA5736 and TDA5737 are monolithic integrated circuits that perform the mixer/oscillator functions for bands A, B and C in TV and
VCR tuners. These low power mixer/oscillators require a power supply of 5 V and are available in a very small package.
These devices give the designer the capability to design an economical and physically small 3-band tuner.
They are suitable for European standards, as illustrated in Fig.17, 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, they are also suitable for NTSC all channel tuners (USA and Japan).
The tuner development time can be drastically reduced by using these devices.
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Balanced mixer with a common emitter input for band A (single input)
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2-pin oscillator for band A
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Balanced mixer with a common base input for bands B and C (balanced input)
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3-pin oscillator for band B
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4-pin oscillator for band C
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Local oscillator buffer output for external prescaler
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SAW filter preamplifier with a low output impedance to drive the SAW filter directly
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Band gap voltage stabilizer for oscillator stability
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Electronic band switch
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External IF filter between the mixer output and the IF amplifier input.
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相關(guān)PDF資料
PDF描述
935173650518 2-BAND, VIDEO TUNER, PDSO24
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