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当前位置：现货热卖 TDA5737M
发布时间：2009-04-10 浏览：4646次
TDA5737M 详细介绍 5V VHF.UHF混频器/振荡器
TDA5737M 型号PHILIPS品牌系列产品 TDA5737M/C1.118
TDA5737M 批号 0324+
TDA5737M 数量 5000
TDA5737M 封装 SOT340-1/SSOP24
TDA5737M 包装 1000PCS/盘
TDA5737M 备注 全新原装现货
TDA5737M 应用 电视、摄像机上等等
TDA5737M PDF技术资料
TDA5737M.pdfFEATURES
· 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 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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