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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

4 V. |: x- x7 A2 P 客户要求如下,如果哪家工厂可以做,请和我联系
" W+ O; h3 m+ D, n0 R > The application that we have in mind is similar to others that we commonly
" O# F( J( U- G, l q; O> have. If we were to pay for FCC approval, we would want to use the modem
4 H$ i/ b. t9 C/ u/ j$ h% Q > units in all similar applications under the same approval number.
' U. T3 U- x, M > Therefore, we would like to be able to configure the units to a specific
* J; K6 U* n A8 {, W5 |> application. For the business that we do, this approach will yield more
* X2 T3 `' _% b2 S( l > sales based on the same product and approval. We are interested in the
1 Y8 J- |" C) O3 N3 C8 D& W> following specifications:
; v8 C# M6 S( q# { >
$ x& b9 v+ I: J& h, p- Y# v> - 2 inputs at the Transmitter with three possibilities;
& F. b% w" N" j$ G/ D4 |> 2 analog
2 B5 j- ~+ [- ^ > 2 digital
* w* x/ y2 Q" T9 E. K> 1 analog and 1 digital
8 x( N! E, a. o C. @; D" c, |>
( |6 Z2 q, z+ o, x+ q> - 2 outputs at the Receiver with three possibilities to match inputs
: W2 R4 f& K" B& j >
8 L q4 M) ~5 I0 V# [* G I> - Ability to configure/define analog Transmitter input ranges through
! Q2 R3 E6 W/ {/ j7 |> simple programming method to correspond with full-range analog Receiver
. u. J. t( ?' [ > outputs (0 - full voltage).
+ u! Y2 `( P6 ?4 w9 X- D' c* E>
, ~5 ~! l# b: f6 R > - Ability to configure and set sample rates for the inputs.
; b1 T8 q! I, q>
- X) I& h7 _& {* v: s+ N" _: G& G> - Digital output on Transmitter that turns on during the sampling period.
$ Z# j' x- o# y+ [>
1 [/ u4 G1 V; q > - Ability to configure a power saving Sleep Mode in the Transmitter by
- v$ E6 c: Y! t- [! L( s; K" z > both software control and input hardware control.
v7 s& L' B1 T$ G6 f6 H! ~8 j >
& x- y, y" M+ C; u6 Q/ M, E> In order to configure the units, we would need a way to make the
) e K3 n! ~, A2 V' l9 }5 E > settings. This would preferably be from a computer terminal so that
' d9 b" C) _0 r- h" h6 C. F > configurations can be saved or easily duplicated for production volumes.
. c5 r" p1 ^4 o& J> The units should be small and compact with shielding, and able to mount
- R/ }% W' x3 Q* r1 }4 h8 B: ^> to a printed circuit board with header connector.
, ]: L4 [' l; f5 @ >
" Y/ @3 ~; _( u% W, b7 |1 k9 L3 ^> At this time, we are interested in samples of a pair of modems that
+ d7 G) J" T0 U6 s% Y6 Z3 W> might be similar to this proposed system. We do not expect that you
: H& k- A }/ C! x V* j% ]6 t; i > provide all of these specifications at this time. I can describe our
) r# F8 _' n- X- N( x> immediate application needs in the next email if this project is of
, e+ j$ L( v/ U' C; g > interest to you. Perhaps you can make the samples by those
: w: J/ H/ ]: {) a3 S > specifications. This will allow us to test your radios before we move
+ A) r- s4 j) J. T' N> forward. We are interested in your 900MHz radio to start.
) ]; r- b4 F6 X
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