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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

5 _2 n1 s3 a) R5 y# j. X6 r客户要求如下,如果哪家工厂可以做,请和我联系
/ |5 N3 s: }9 R9 g > The application that we have in mind is similar to others that we commonly
# z% q; { x# e9 ]' g8 o& m> have. If we were to pay for FCC approval, we would want to use the modem
( C. u# {/ ^ I& a3 p8 G> units in all similar applications under the same approval number.
; ~. R9 |0 C' s- a> Therefore, we would like to be able to configure the units to a specific
; H! [- R j4 I6 w' w6 K! e0 _0 {> application. For the business that we do, this approach will yield more
! t1 y7 A. a, f5 b, S% C > sales based on the same product and approval. We are interested in the
8 ~: u* ]8 l. c! G4 u( E& m1 }/ s > following specifications:
0 C. O) {8 [3 w8 D( T5 w. D5 p >
: y! J& S: D6 I* B7 m > - 2 inputs at the Transmitter with three possibilities;
7 x6 r0 p) m9 F& Y > 2 analog
% N% u- I4 u4 x( U. D9 N' H" b" \- Y> 2 digital
4 R, |4 o0 v f; @5 G [1 A" T > 1 analog and 1 digital
$ V) K8 i } P5 L>
3 T9 s5 Y, y$ q$ F> - 2 outputs at the Receiver with three possibilities to match inputs
0 E; u4 x; }* H2 S& t7 \>
5 y, o5 |# F2 s F/ I& I > - Ability to configure/define analog Transmitter input ranges through
: x2 V6 z( ^% o. Q2 J/ ~" \4 {7 y > simple programming method to correspond with full-range analog Receiver
) q$ \( A$ \" a% c& e+ O > outputs (0 - full voltage).
; v0 Q* x9 i: u6 T+ R- o2 @" c+ U+ P>
4 Q/ z. r0 a' ]( L) Z; N5 P> - Ability to configure and set sample rates for the inputs.
. z% D- T+ F: C5 P( ?2 M z# S, d& X>
, X* }1 H0 f& i> - Digital output on Transmitter that turns on during the sampling period.
! W& ^# L! _, j! ]1 J# V: x3 E >
+ I) F9 w( j! |# d> - Ability to configure a power saving Sleep Mode in the Transmitter by
6 }- B+ U. ~; I/ {" C7 A3 m' B* H> both software control and input hardware control.
: D: @' u, c" @" g3 t, y>
! W2 v9 L% x0 R> In order to configure the units, we would need a way to make the
) R$ G- u- n0 C, U4 e> settings. This would preferably be from a computer terminal so that
8 y! V, Y% A' i4 B0 r: y- { > configurations can be saved or easily duplicated for production volumes.
- [/ b9 o' A- n, H( B' s+ m9 g; p6 Y. l> The units should be small and compact with shielding, and able to mount
$ v0 e1 U8 D3 I, P1 i* e > to a printed circuit board with header connector.
4 i5 E M! ?7 w' Z >
# G$ ?7 P& {! a+ O2 C' G3 y" V > At this time, we are interested in samples of a pair of modems that
4 Z" N1 i& Q4 a% j> might be similar to this proposed system. We do not expect that you
% q- b& M0 W" |0 ^> provide all of these specifications at this time. I can describe our
9 L3 @$ C& H3 v! r > immediate application needs in the next email if this project is of
* a* E4 G! D! ?% n6 T# R# G( I5 j > interest to you. Perhaps you can make the samples by those
! T5 T) Q2 W- W$ {# Y) o> specifications. This will allow us to test your radios before we move
! E" m- ], }1 X9 ~! ~9 I/ Y> forward. We are interested in your 900MHz radio to start.
' a+ |* t9 J4 F$ o
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