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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

. G e0 `: ` k客户要求如下,如果哪家工厂可以做,请和我联系
$ |4 s, o; E7 q& l3 ?* i O> The application that we have in mind is similar to others that we commonly
1 y6 g) Z8 l1 M' `# L > have. If we were to pay for FCC approval, we would want to use the modem
4 f2 r5 F% [' W* ~7 U0 ^> units in all similar applications under the same approval number.
! @9 H8 L. E7 |" K+ B/ M7 l> Therefore, we would like to be able to configure the units to a specific
: }* S! c7 W; [4 } > application. For the business that we do, this approach will yield more
; Z, S, ~7 G% f& A! r9 N- Q1 L> sales based on the same product and approval. We are interested in the
1 ]/ P" q1 W; {& G7 l* G > following specifications:
6 z$ P: l4 V0 O$ {% p+ p >
% @0 P+ ~, ~0 N) P > - 2 inputs at the Transmitter with three possibilities;
6 Z" F1 }7 K6 Z- F> 2 analog
5 i8 h$ D! m. {) ?' ]: [* q> 2 digital
. d# Z' T$ |4 j0 }# N n z6 y > 1 analog and 1 digital
; \- i6 a( ~' @+ s3 n% [3 h" _>
; d( O6 v$ N, G6 z> - 2 outputs at the Receiver with three possibilities to match inputs
7 L/ r- _3 f, J. Q5 m% x >
' N L* Z, ?; h4 }$ A. t > - Ability to configure/define analog Transmitter input ranges through
8 C6 s" }$ v1 U$ {& b: N8 c/ N3 V+ y > simple programming method to correspond with full-range analog Receiver
. r' e( k* a2 D > outputs (0 - full voltage).
q2 N& I. e- `4 h1 u >
/ l0 q3 w0 W0 P' v w > - Ability to configure and set sample rates for the inputs.
2 E3 R6 Y- F1 Q, l# d3 j>
# i# q7 k. Q* k5 \* [+ F# _ > - Digital output on Transmitter that turns on during the sampling period.
: Q7 \( \' A: W5 }* k2 u& V >
& n. y& m0 g: n: b* z# U. c) M9 w > - Ability to configure a power saving Sleep Mode in the Transmitter by
( T* q2 D' R$ ]& n4 S. l > both software control and input hardware control.
' b$ N7 h b) a( _+ n0 `' q>
" D& [5 m. b( {) S/ X/ T9 t* N$ F; Y> In order to configure the units, we would need a way to make the
/ b: Q& E) v: [& t' r* T3 o> settings. This would preferably be from a computer terminal so that
. V" I, v; U) ~9 w% y2 } > configurations can be saved or easily duplicated for production volumes.
- T8 E4 E6 }7 A3 T' S& x$ H > The units should be small and compact with shielding, and able to mount
2 ?5 O9 _( j% i I > to a printed circuit board with header connector.
* `- s& ?' i1 s8 X9 _( i, ` >
0 ~7 D y# ^2 y v > At this time, we are interested in samples of a pair of modems that
3 V! x+ |# F" m2 M e' z7 m> might be similar to this proposed system. We do not expect that you
. k1 D$ _4 P" y: U& f7 w: r7 f: y2 y> provide all of these specifications at this time. I can describe our
+ I/ N/ y3 L- J > immediate application needs in the next email if this project is of
! }0 O$ F* @( U# x> interest to you. Perhaps you can make the samples by those
7 |% U( y+ h. O5 @+ X/ p) a> specifications. This will allow us to test your radios before we move
, f" G: o3 c# u$ S0 P/ c> forward. We are interested in your 900MHz radio to start.
& [: u! Z; I. c+ a3 L: } ~
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