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| NE5517D资料 | |
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NE5517D PDF Download |
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File Size : 116 KB
Manufacturer:PHILIPS Description:Each channel includes a variable gain amplifier, a second order passive RC lowpass filter (to protect the gyrator filter from strong adjacent channel signals), a gyrator filter and finally a limiter. The main channel filter is a gyrator-capacitor implementation of a five-pole elliptic lowpass filter. The elliptic filter minimises the total capacitance required for a given selectivity and dynamic range. The lowpass cut-off frequency can be adjusted by an external resistor. The demodulator demodulates the I and Q channel outputs and produces a digital data output. It detects the relative phase difference of the I and the Q channel signals. If the I channel signal lags the Q channel, the FSK tone frequency lies above the LO frequency (data 1). If the I channel leads the Q channel, the FSK tone lies below the LO frequency (data 0). The output of the receiver is available on the Data IXO pin. A three pin serial interface is used to program the circuit. External components are necessary for RF input and output impedance matching and decoupling of power. Other external components are VCO resonator and varicap, crystal, feedback capacitors and components for FSK modulation in VCO/crystal oscillator, loop filter, bias resistors for power amplifier and gyrator filters. |
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| 1PCS | 100PCS | 1K | 10K | ||
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型 号：NE5517D 厂 家：PHILIPS 封 装：SOP 批 号：07+ 数 量：814 说 明：100%真实库存，原装，部分现货 |
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运 费： 所在地：深圳 新旧程度： |
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| 联系人：陈小姐 |
| 电 话：0755-83605789 |
| 手 机：13428979109 |
| QQ：656259901,307704921 |
| MSN：chenqiongxia18@126.com |
| 传 真：0755-23816523 |
| EMail：656259901@qq.com |
| 公司地址： 广东深圳市福田区华强北（振华路）赛格高科德电子市场A1848室 |
