只需测试而不是bga 2709频谱测试可以接收数字dvb-tno。
Test PCB's waveform on frequency spectrum OK Connect antenna to receive signal not OK
The voltage was adjusted to 2.6v and was barely received.
BGA2709 is no longer manufactured. You should not use it for a new design.
BGA2709 has been characterized to work at 5V supply.
2.6V is out of recommended range.
BGA2869 has better dynamic range (IIP3) than BGA2874.
But, for 2.5V operation, you should use BGA2874 whereas BGA2869 is suitable for 5V.
Have a great day,
Pavel
TIC
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