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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

9 s1 {& ]. o7 B& m 客户要求如下,如果哪家工厂可以做,请和我联系
+ L3 F+ `6 Y0 c > The application that we have in mind is similar to others that we commonly
. X2 H8 f; P& K> have. If we were to pay for FCC approval, we would want to use the modem
3 m2 `2 ?! N& s> units in all similar applications under the same approval number.
* @9 f! d8 Z! V6 z5 T& i/ n5 n$ u> Therefore, we would like to be able to configure the units to a specific
: G6 j; j2 V( c > application. For the business that we do, this approach will yield more
2 p. R/ }2 Y$ H+ q. B8 ] > sales based on the same product and approval. We are interested in the
, Y, y: k9 r( y, I> following specifications:
- \ x9 H9 O* d( P( b" a& f, B>
6 I" F9 M$ \$ _& j7 g* `+ U> - 2 inputs at the Transmitter with three possibilities;
+ p0 G5 {) P+ i( a+ M* x$ ?( F* D > 2 analog
1 A/ ^1 Z9 o& c- ]( y8 R> 2 digital
; M" P; g6 W6 s/ w4 X> 1 analog and 1 digital
) F& }8 J3 a8 x4 N3 L>
% l; A$ M$ v9 E2 D2 R9 T> - 2 outputs at the Receiver with three possibilities to match inputs
% u7 |( {" E2 M% E# V% o >
. { a# J- V. ^( l. s7 n% y> - Ability to configure/define analog Transmitter input ranges through
; K% F# t/ w; b7 r+ a i$ d > simple programming method to correspond with full-range analog Receiver
9 @3 a% E. M% r( p: @> outputs (0 - full voltage).
& C) W! [ W0 f/ M7 T# Z# J >
v# o% A' @ Z7 B2 P" Z > - Ability to configure and set sample rates for the inputs.
1 N T9 A6 A5 [: j1 i2 O2 y >
* U( x8 l1 {; h3 G: Q, B3 X* W > - Digital output on Transmitter that turns on during the sampling period.
% t: ]7 b1 Y0 v( [' C" a% @>
' O1 D$ c% V( o# L7 g$ w* ` > - Ability to configure a power saving Sleep Mode in the Transmitter by
* v2 y$ Y6 y B' }9 m* x- d6 S2 N6 s > both software control and input hardware control.
+ } v8 W# `- q0 R* T>
+ A8 [' U& L( A# U. q8 Q+ F& V) T > In order to configure the units, we would need a way to make the
& ~4 S4 ?) z- Y1 ` O > settings. This would preferably be from a computer terminal so that
. D$ t9 D/ |' `> configurations can be saved or easily duplicated for production volumes.
3 F+ E6 p& C" c3 s3 P" `6 V# a E> The units should be small and compact with shielding, and able to mount
, \% D- l" H: [0 U8 `7 d9 n/ f Z> to a printed circuit board with header connector.
# V7 q) q1 m) E# K>
) {; f& _0 k4 [5 `7 U> At this time, we are interested in samples of a pair of modems that
5 h/ Q! k0 J! T. c > might be similar to this proposed system. We do not expect that you
j5 h2 d. s! i: P. I; D1 G> provide all of these specifications at this time. I can describe our
5 ^6 v8 G. ^) I* Z: `5 ^ Z- y > immediate application needs in the next email if this project is of
& O9 r1 u( f8 a; y> interest to you. Perhaps you can make the samples by those
. F7 U0 L q+ E7 Z8 I > specifications. This will allow us to test your radios before we move
) Q) m; H9 N. V> forward. We are interested in your 900MHz radio to start.
~5 [, O$ s. ~' h1 O( C t2 S
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