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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. b2 x1 a" C8 J* S 客户要求如下,如果哪家工厂可以做,请和我联系
4 a* c, D4 r5 i9 i# c0 W. |0 n: V > The application that we have in mind is similar to others that we commonly
( U( \( y' f, g3 l% u1 r* _9 [> have. If we were to pay for FCC approval, we would want to use the modem
$ r9 u6 S1 v6 @. {2 a/ C> units in all similar applications under the same approval number.
0 ~& T' H. n/ E, ]% H5 _ > Therefore, we would like to be able to configure the units to a specific
. {2 {& _6 j3 B1 O1 Y> application. For the business that we do, this approach will yield more
% o: a' F7 u* {: a4 } > sales based on the same product and approval. We are interested in the
& s: W6 K$ P& L+ _' v > following specifications:
+ Z) Z. ^3 {2 _ >
; a# V: s, ^ A8 L' ^> - 2 inputs at the Transmitter with three possibilities;
& h/ @+ I& O. r( J9 V" A, a> 2 analog
4 w4 L/ s- K! E" h; r( M+ K: k: e > 2 digital
7 I" W5 E- K, _- V: }$ x0 j> 1 analog and 1 digital
* i+ I& B5 e, d, z: n>
! s$ Q8 I9 p) W% S/ b6 u > - 2 outputs at the Receiver with three possibilities to match inputs
: C T! ?' r3 s" {! \* @( h4 s>
2 Y$ \/ f e5 H. M> - Ability to configure/define analog Transmitter input ranges through
. b4 F% p; x& v# J" o( O: @ `3 H > simple programming method to correspond with full-range analog Receiver
1 H |6 E: m2 w0 \: z> outputs (0 - full voltage).
; S9 u9 B( M7 k5 B& g>
/ U# |4 {$ {$ K4 N( V0 X> - Ability to configure and set sample rates for the inputs.
- ~& d6 E! s, r/ u2 v& ~>
' y7 M1 w' ]- H1 Q> - Digital output on Transmitter that turns on during the sampling period.
3 m$ I2 z# P( _9 [( @# M& d >
) [/ y1 p2 ~# J/ M& A h5 K > - Ability to configure a power saving Sleep Mode in the Transmitter by
% h: Q0 e- x+ _4 ` > both software control and input hardware control.
, J' {1 k- l: o' V$ s3 S >
* k) Y2 x3 `0 q > In order to configure the units, we would need a way to make the
' A# b/ U6 C5 z' m/ P" j) C> settings. This would preferably be from a computer terminal so that
0 ` n' E0 M; Y' l$ O) }- x> configurations can be saved or easily duplicated for production volumes.
' g5 P& s- v% Q! o> The units should be small and compact with shielding, and able to mount
% S, e& i) o$ g/ r8 D( _; u > to a printed circuit board with header connector.
( X' X; r1 @" P8 d$ Y>
7 t% H! F5 e$ v > At this time, we are interested in samples of a pair of modems that
- I Q* c) P0 B$ Y; O) b+ H> might be similar to this proposed system. We do not expect that you
^3 s, L7 S7 P; k > provide all of these specifications at this time. I can describe our
$ k7 {7 o, l' W4 L) J > immediate application needs in the next email if this project is of
* [0 x5 l6 R, s9 [# B> interest to you. Perhaps you can make the samples by those
) q; ^6 `( h; X6 D0 A> specifications. This will allow us to test your radios before we move
3 V) m% n* K9 ^& {6 Z> forward. We are interested in your 900MHz radio to start.
! k H% a% B; g) `! @; r
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