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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

6 E' m# s2 j1 ` ?: l: v7 v. N客户要求如下,如果哪家工厂可以做,请和我联系
' w. W- }! o8 \0 X > The application that we have in mind is similar to others that we commonly
# g y0 b2 P5 x. [5 u: j7 | > have. If we were to pay for FCC approval, we would want to use the modem
9 p- t% |5 U" n, }5 } > units in all similar applications under the same approval number.
( Z. M. [- @6 n( j; Z > Therefore, we would like to be able to configure the units to a specific
5 G4 v: `$ f' A8 ^# i; S; x5 I> application. For the business that we do, this approach will yield more
: B% z( z3 ]+ Z6 s- ]& z. W> sales based on the same product and approval. We are interested in the
4 s5 B+ u- ?1 q* @2 I > following specifications:
2 |" g. ^0 {. H" q9 K>
" Y) a6 u& `$ s" H6 r( y, \" v > - 2 inputs at the Transmitter with three possibilities;
5 F) o8 k- H1 p# x$ K > 2 analog
0 i+ z: }& L6 c- T$ \6 u > 2 digital
& [* k' o1 u, ~! j: z% X5 t& q7 M > 1 analog and 1 digital
9 g S+ t# ~1 t5 H! @9 _>
3 F' m- r Q+ K) |> - 2 outputs at the Receiver with three possibilities to match inputs
; \# w! X8 e+ m>
# [8 F# O6 d8 B > - Ability to configure/define analog Transmitter input ranges through
9 G) C" ]) Q% j8 k+ O- R. z> simple programming method to correspond with full-range analog Receiver
: f6 K4 L8 |1 c > outputs (0 - full voltage).
' p4 n# a4 \* y& p6 P: r' a >
) _; H0 k, z( N1 l7 s, n. i+ n> - Ability to configure and set sample rates for the inputs.
! g3 o: E( M- q+ ] v+ q3 J >
- F4 H/ {6 F2 B> - Digital output on Transmitter that turns on during the sampling period.
$ `6 {- n+ I! B3 L* {>
) k: C4 r$ b" i$ s6 A+ y4 h > - Ability to configure a power saving Sleep Mode in the Transmitter by
1 Y3 O( |; k( ^( F4 l$ {; N9 g+ D > both software control and input hardware control.
( w, z3 b* Q t >
8 `' l. t9 N. i) U# z# m2 L! d> In order to configure the units, we would need a way to make the
0 b6 g( _+ F7 v- G5 m% F > settings. This would preferably be from a computer terminal so that
3 a- h9 l! G( \; [6 g# e! c> configurations can be saved or easily duplicated for production volumes.
& ]1 B0 d& w6 k ^ K& G > The units should be small and compact with shielding, and able to mount
5 a: {4 @! v1 ~! O2 ~- Z > to a printed circuit board with header connector.
0 [9 c( n8 w( r! i9 ^1 _>
/ c$ Y$ I1 z" t4 \0 S9 i > At this time, we are interested in samples of a pair of modems that
" T% ^4 |, s8 I/ ?6 [$ q> might be similar to this proposed system. We do not expect that you
2 m+ T' g9 L, B6 u! e% k> provide all of these specifications at this time. I can describe our
3 f5 E% v: V7 G > immediate application needs in the next email if this project is of
& {) x: I% I5 p' G1 N5 G > interest to you. Perhaps you can make the samples by those
% U4 Q$ j# ]( B2 ?> specifications. This will allow us to test your radios before we move
' W8 p. D( J! @0 v* ^ > forward. We are interested in your 900MHz radio to start.
3 z, E$ i! U) S3 H
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