AN1042D中文资料PDF规格书
AN1042D规格书详情
High Fidelity Switching Audio Amplifiers Using TMOS Power MOSFETs
Almost all switching amplifiers operate by generating a high frequency square wave of variable duty cycle. This square wave can be generated much more efficiently than an analog waveform. By varying the duty cycle from 0 to 100, a net dc component is created that ranges between the negative and positive supply voltages. A low pass filter delivers this dc component to the speaker. The square wave must be generated at a frequency well above the range of hearing in order to be able to cover the full audio spectrum from dc to 20 kHz. Figure 1 shows a square wave generating a sine wave of one–ninth its frequency as its duty cycle is varied.
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
ST |
22+ |
ROHS |
16900 |
支持样品 原装现货 提供技术支持! |
询价 | ||
ST |
23+ |
ROHS |
16900 |
支持样品,原装现货,提供技术支持! |
询价 | ||
PANAS |
23+ |
NA |
10 |
原装正品,假一罚十! |
询价 | ||
PANAS |
589220 |
16余年资质 绝对原盒原盘 更多数量 |
询价 | ||||
PANS |
23+ |
SOP3.9 |
65600 |
询价 | |||
PANASONI |
21+ |
SOP8 |
16500 |
进口原装正品现货 |
询价 | ||
PANAS |
NA |
10 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
询价 | |||
Panasonic |
23+ |
SOP8 |
12300 |
全新原装真实库存含13点增值税票! |
询价 | ||
Panasonic |
2023+ |
SOP8 |
3715 |
全新原厂原装产品、公司现货销售 |
询价 | ||
ST |
22+ |
ROHS |
16900 |
正规渠道,只有原装! |
询价 |