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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

7 ^/ a+ J) y2 Q- Z c客户要求如下,如果哪家工厂可以做,请和我联系
+ R3 U% D& K" B" I# r Y7 [ `0 W > The application that we have in mind is similar to others that we commonly
$ f# F% M9 c5 q> have. If we were to pay for FCC approval, we would want to use the modem
2 w9 |* A9 H6 Q, F' B> units in all similar applications under the same approval number.
* A, N$ ^0 \' |5 i& U > Therefore, we would like to be able to configure the units to a specific
' \! j; @# `" o' s- Z& V# T > application. For the business that we do, this approach will yield more
# @2 [5 H; O' W > sales based on the same product and approval. We are interested in the
9 b, B. l& k8 k6 j5 W a- e) f > following specifications:
4 e3 @# U1 s' q& E+ y/ `8 ?1 s>
# l2 S! C2 _$ L9 F! W > - 2 inputs at the Transmitter with three possibilities;
/ }1 C" b) r$ u+ r. Z P( `# @$ a> 2 analog
. j8 ?; I- t6 |- c! v$ W> 2 digital
" Y( b& s* ]# p0 a4 g/ u4 [ > 1 analog and 1 digital
/ u9 }# L( @' r0 L! [ >
$ H6 j! j+ ]0 \! U; s- m0 _> - 2 outputs at the Receiver with three possibilities to match inputs
D1 J7 h. R: j' C. R* h1 H! F5 e>
. f! o5 S E y7 D) ~$ f> - Ability to configure/define analog Transmitter input ranges through
: N: S l" y) X6 l4 M> simple programming method to correspond with full-range analog Receiver
! Z2 F/ A0 e3 c. ~; Y% F> outputs (0 - full voltage).
/ i8 B7 G( e( ~2 s' t3 T; ] >
: |. F2 a& e8 z' m: S > - Ability to configure and set sample rates for the inputs.
: g& L: T8 I/ ~2 u) _ >
" p9 M" X$ w( {& E > - Digital output on Transmitter that turns on during the sampling period.
$ V5 a2 H5 d4 Q4 ^, O5 v* Y! E>
; \5 r1 r& R. J' w> - Ability to configure a power saving Sleep Mode in the Transmitter by
2 y, F1 z: k3 U$ U W0 ?5 M- ^; V> both software control and input hardware control.
& e- h# k+ Q) p3 s8 U3 v0 u( G >
8 Z* K% X8 P4 u1 @6 C> In order to configure the units, we would need a way to make the
' Q" U, u: r6 w7 {$ V$ g0 u> settings. This would preferably be from a computer terminal so that
3 s5 o3 M" O# e> configurations can be saved or easily duplicated for production volumes.
+ i1 u3 F/ }- c > The units should be small and compact with shielding, and able to mount
" B& L8 @# E' v& z! w> to a printed circuit board with header connector.
: L) [% `) O" u4 Z8 _>
0 \8 W0 K, x4 S0 E: Z# E+ [: l> At this time, we are interested in samples of a pair of modems that
! H* d+ N( y; {# Q* n, _ > might be similar to this proposed system. We do not expect that you
4 h- M9 T* B4 m6 t> provide all of these specifications at this time. I can describe our
& C: x% g7 V; }" ?2 a > immediate application needs in the next email if this project is of
! m: l; V* M+ v" G# i > interest to you. Perhaps you can make the samples by those
, Q+ O8 u2 \4 |4 x% X' r! } > specifications. This will allow us to test your radios before we move
) \7 b8 ^- ~% e# X> forward. We are interested in your 900MHz radio to start.
9 l" H d8 j+ d' l; x. a" R/ h8 U
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