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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

: |/ }) J$ Q# F1 ~- E1 k 客户要求如下,如果哪家工厂可以做,请和我联系
$ m* U: M- n2 O/ i1 y> The application that we have in mind is similar to others that we commonly
- H- e# o, G3 B+ p > have. If we were to pay for FCC approval, we would want to use the modem
- L3 c, W$ l7 Y( X0 T8 @" {* V> units in all similar applications under the same approval number.
( x! ~0 g( O2 I2 q- m> Therefore, we would like to be able to configure the units to a specific
. B3 Y% Z5 ^2 S> application. For the business that we do, this approach will yield more
$ r0 S4 |& U! E4 }6 r+ O> sales based on the same product and approval. We are interested in the
; h; W5 _# q3 ~) P% ~( \9 B2 Y> following specifications:
" ?0 O% G+ h! U. O8 a5 l6 f) `>
& L" Z" B0 z) b > - 2 inputs at the Transmitter with three possibilities;
- ~8 V7 r7 o/ e9 b> 2 analog
7 F+ ]* g4 i8 `% I4 f/ A/ u) ?* n > 2 digital
3 |1 A- f K7 T > 1 analog and 1 digital
: n7 v& K' n4 u: ? >
1 c" x+ Q5 K# y: x6 U; K > - 2 outputs at the Receiver with three possibilities to match inputs
" c, \. i- Q, g1 M6 r >
, I& p, ]+ {; y0 o g$ s> - Ability to configure/define analog Transmitter input ranges through
8 I0 J: |7 O- H, y> simple programming method to correspond with full-range analog Receiver
0 w5 e9 A p v6 m& w8 X > outputs (0 - full voltage).
7 W+ J3 h* B' V+ D1 x$ T2 ^) g>
7 n6 ~: d/ D9 p4 k0 ?4 B `2 P: D> - Ability to configure and set sample rates for the inputs.
& o/ `- i6 g3 a% P! y >
2 }4 n# D* C3 `( @ D$ r> - Digital output on Transmitter that turns on during the sampling period.
! i: _# u8 [+ Y l% R7 |>
- V% N& v- u" @& T+ ] > - Ability to configure a power saving Sleep Mode in the Transmitter by
! n8 z% w c* V! p% o! @# v( F! a> both software control and input hardware control.
1 c9 _8 D: w, o>
/ c: y4 [( N! E9 d4 a > In order to configure the units, we would need a way to make the
3 [( k6 Q2 D7 V6 O1 f+ n3 }+ i> settings. This would preferably be from a computer terminal so that
. s1 c4 y% E4 Q9 }% ?7 g> configurations can be saved or easily duplicated for production volumes.
! _, F9 M' L, S+ i( J0 X* c: B > The units should be small and compact with shielding, and able to mount
( D! ~) ^9 p- Z1 {% y, Q > to a printed circuit board with header connector.
% t7 {4 X. s* o+ ?5 Y F>
& J; j- r5 i$ l9 B9 x* K) b9 z > At this time, we are interested in samples of a pair of modems that
: D; ~( z! K. W6 w5 E" j; ~ > might be similar to this proposed system. We do not expect that you
& q4 D6 ~+ K: P2 R! ?. m> provide all of these specifications at this time. I can describe our
- L5 S6 _9 ~0 E! K& ^ > immediate application needs in the next email if this project is of
3 g" N8 r, k8 r, D$ u) f> interest to you. Perhaps you can make the samples by those
' g; a% V7 f7 a/ p6 j% d > specifications. This will allow us to test your radios before we move
1 G3 A% g, c/ E& J) S> forward. We are interested in your 900MHz radio to start.
( O2 P9 }" v L2 s; m& V6 q
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