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[寻求合作]音频传输模块,做出口

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安防幼儿园学生

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发表于 2007-5-27 20:29:37 | 显示全部楼层 |阅读模式

" m5 a3 x! g! k7 O1 v0 B* M# U H& e客户要求如下,如果哪家工厂可以做,请和我联系
1 u3 N. J# ]3 G: q+ p' { > The application that we have in mind is similar to others that we commonly
# ?. l; w# J! Y1 P2 n7 Y4 ` > have. If we were to pay for FCC approval, we would want to use the modem
0 B7 D; G& ?6 i& K8 C; \( r1 e > units in all similar applications under the same approval number.
( A" R+ v- R" t$ v) N > Therefore, we would like to be able to configure the units to a specific
$ ]5 d2 |- x/ g/ M> application. For the business that we do, this approach will yield more
) ?( `! R3 Y" y; Z, f > sales based on the same product and approval. We are interested in the
1 W& ~' p5 n9 G, z. z- T > following specifications:
* Y" J; N. d3 g >
9 F4 ]6 h1 U, y4 l2 d > - 2 inputs at the Transmitter with three possibilities;
9 M3 M- o, H; i G > 2 analog
8 S: ?* C7 T9 I# [> 2 digital
2 t; S! p+ z& w& B1 X3 |> 1 analog and 1 digital
; {$ g9 m7 [8 v; y0 t, U2 n% n >
0 y4 I) w5 Z J> - 2 outputs at the Receiver with three possibilities to match inputs
$ }2 E; b; V& t, a+ v h) Z- S >
2 `) N8 O" E) V- k$ `$ Z+ b) @4 J > - Ability to configure/define analog Transmitter input ranges through
2 j& L) L+ {+ Q4 @' _. F > simple programming method to correspond with full-range analog Receiver
) n5 A, a& p7 {" o& E: g$ S> outputs (0 - full voltage).
- v n ~7 w+ N>
+ ? S% O0 V, s0 Z> - Ability to configure and set sample rates for the inputs.
- U+ e8 x/ U2 q+ N- `>
& t* V. m# Q/ d0 f> - Digital output on Transmitter that turns on during the sampling period.
7 T: x7 L( P* y' Y! \6 t; Z) x>
. C9 \ ~. [; U! q> - Ability to configure a power saving Sleep Mode in the Transmitter by
! e, P, D5 N$ H2 U> both software control and input hardware control.
! H* I0 g+ S* R Q0 k% M9 V >
+ l0 u r* n3 P2 F > In order to configure the units, we would need a way to make the
o: e. ?! Q# |4 {% k > settings. This would preferably be from a computer terminal so that
8 f7 u9 ^) X4 B. O7 \ > configurations can be saved or easily duplicated for production volumes.
) }$ c" F8 Y) H$ \7 b" E% ^ > The units should be small and compact with shielding, and able to mount
% d' N0 ?% `, b8 z8 G0 l > to a printed circuit board with header connector.
; o/ P* l0 }2 u4 K" J, E4 F) v>
' h; O! W( q; ~ > At this time, we are interested in samples of a pair of modems that
( J8 \; }& Z8 Z > might be similar to this proposed system. We do not expect that you
3 A4 P! W) o: C3 T > provide all of these specifications at this time. I can describe our
4 m7 H4 ^+ S% R > immediate application needs in the next email if this project is of
, m# p6 I. F% Y4 F$ i/ R > interest to you. Perhaps you can make the samples by those
6 {& L$ n. b* t5 ^> specifications. This will allow us to test your radios before we move
' q. @8 g) e. n& X > forward. We are interested in your 900MHz radio to start.
7 I" \* v; y4 C V
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