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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

2 C6 q$ m, q0 y# ^' D! z5 q; r客户要求如下,如果哪家工厂可以做,请和我联系
# n9 t% t) A' o) d> The application that we have in mind is similar to others that we commonly
+ x% ? K0 n# I: V > have. If we were to pay for FCC approval, we would want to use the modem
6 M2 ^' P0 \/ D( L' p> units in all similar applications under the same approval number.
4 o3 K/ ]1 E z8 y$ \& m> Therefore, we would like to be able to configure the units to a specific
3 e7 ^% w$ R }! O0 G6 e( O7 F! V> application. For the business that we do, this approach will yield more
% y2 y4 O. l( {: ]> sales based on the same product and approval. We are interested in the
- h, c) D% `# }4 \( r> following specifications:
/ K% x" a, B8 B* B( h3 `* ?" w& r>
) k7 ~. u& u- H' R' `$ r > - 2 inputs at the Transmitter with three possibilities;
5 z' i7 s9 G% h5 \* c4 D& ^> 2 analog
# |! K U2 _8 H> 2 digital
4 w U/ U9 m7 C7 `& a$ g > 1 analog and 1 digital
) n. C( T% U. u! u; W' A" ^, G- A/ |>
5 V0 \2 p& K; D7 R > - 2 outputs at the Receiver with three possibilities to match inputs
5 J) j2 |7 W G: \& ^>
9 `2 C8 H0 j* V( L' Q! r9 k> - Ability to configure/define analog Transmitter input ranges through
' D- r& }4 O& G8 U> simple programming method to correspond with full-range analog Receiver
. S% e' b- f7 \% q( P& y > outputs (0 - full voltage).
# i: p& @& z8 V7 C9 |! ?4 M+ E>
' g; w/ i7 X2 B a$ ` > - Ability to configure and set sample rates for the inputs.
1 v- d! M9 _+ [ >
" V5 T" f" m9 v> - Digital output on Transmitter that turns on during the sampling period.
! v5 ], Q2 F1 O >
- y% H3 ]/ Q0 D' ] > - Ability to configure a power saving Sleep Mode in the Transmitter by
" T5 Y! j7 c) U, L6 t- G$ u9 G > both software control and input hardware control.
4 k7 X: R+ R6 L6 B( z >
* a" j0 E4 J. G9 \* O0 [ > In order to configure the units, we would need a way to make the
3 p/ b. \6 ]# `# H" ^/ _> settings. This would preferably be from a computer terminal so that
Z* n: U$ b1 U' t5 t. I' | > configurations can be saved or easily duplicated for production volumes.
5 K, }' h1 o" H/ o > The units should be small and compact with shielding, and able to mount
/ K! l/ ]* x( k' m > to a printed circuit board with header connector.
: b% F& ]7 l* L4 N, G. D" |) e: m>
- M% s( y5 |+ `* [+ s$ Z' w8 Z > At this time, we are interested in samples of a pair of modems that
3 T" U; z8 v( q1 h4 l$ ~& g, ^8 l' K> might be similar to this proposed system. We do not expect that you
7 z" }9 w# A$ D, u1 z > provide all of these specifications at this time. I can describe our
8 R3 V c" ~ {$ J9 C# X > immediate application needs in the next email if this project is of
0 H. V, i0 W+ N0 Y > interest to you. Perhaps you can make the samples by those
, i) R' O* u7 \ > specifications. This will allow us to test your radios before we move
. q* z5 ]3 w8 j. n3 q> forward. We are interested in your 900MHz radio to start.
! ?( S- B i# Z1 W4 h5 u
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