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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

/ l* l8 K" m9 s, l6 F 客户要求如下,如果哪家工厂可以做,请和我联系
+ t$ S1 z- v! i7 I$ b2 m" ~7 N$ R > The application that we have in mind is similar to others that we commonly
2 N- n% T; v( v> have. If we were to pay for FCC approval, we would want to use the modem
. E# z2 T$ j& k$ u> units in all similar applications under the same approval number.
1 e X* ~( q2 u% T( f> Therefore, we would like to be able to configure the units to a specific
) M; P0 v# V, s: t \8 H> application. For the business that we do, this approach will yield more
. v @. Y& L4 i! w > sales based on the same product and approval. We are interested in the
- p& u8 w) \9 K9 @& C( {> following specifications:
$ r! l% Y6 @* L8 | >
; ~' u; `7 b+ S1 q> - 2 inputs at the Transmitter with three possibilities;
7 C/ B! r9 m: O& o > 2 analog
/ V0 c# b+ W9 {6 i > 2 digital
; z) _3 o; N! _2 X> 1 analog and 1 digital
* D1 V- E1 |% X2 J4 l >
$ G( o, ~/ M2 e) c> - 2 outputs at the Receiver with three possibilities to match inputs
& C# k$ ^8 t* `1 I" S+ ^+ u>
, |9 \/ f8 n) c2 { > - Ability to configure/define analog Transmitter input ranges through
" f2 B: \9 j- x% a K4 l- S > simple programming method to correspond with full-range analog Receiver
1 V' N( c1 B& L) f0 Z# t# [> outputs (0 - full voltage).
5 c+ ?% Z/ P' z) Z >
$ I% T |7 c, l8 \ > - Ability to configure and set sample rates for the inputs.
" t% |7 o+ m" h$ G- ], u- i>
/ H; ?6 U( p4 M; C$ T> - Digital output on Transmitter that turns on during the sampling period.
' H3 e- u1 z; @9 I1 E>
; ~+ h0 e' w& k, ]$ D F> - Ability to configure a power saving Sleep Mode in the Transmitter by
- n7 Z* ]1 e" K* y; J1 Y7 h > both software control and input hardware control.
7 ?4 o( a1 A, d/ d: D >
- X! _, t. {/ m+ K! t > In order to configure the units, we would need a way to make the
9 D' ` B1 c5 n- @9 j> settings. This would preferably be from a computer terminal so that
+ c# Q3 K* N# G/ [" |1 A9 {" q3 L" z> configurations can be saved or easily duplicated for production volumes.
$ V4 r9 A; \" e/ N3 U9 i+ Y > The units should be small and compact with shielding, and able to mount
( @+ S" X! }3 _& t# g9 v s> to a printed circuit board with header connector.
- Z( h2 n& L, V% t3 s' r >
0 r1 \+ C2 C* W5 \> At this time, we are interested in samples of a pair of modems that
L( P9 R- k& l+ G > might be similar to this proposed system. We do not expect that you
* `+ L* u: k8 A" X0 g8 k > provide all of these specifications at this time. I can describe our
4 V- Z" X: @! Y& R > immediate application needs in the next email if this project is of
. L: t+ a7 q1 x2 e8 W1 h, j; { > interest to you. Perhaps you can make the samples by those
' D7 U" l7 z- o# S$ z7 n > specifications. This will allow us to test your radios before we move
# k0 I- e, S5 W" |5 p > forward. We are interested in your 900MHz radio to start.
5 _# m- o! g9 B7 l; ^( A( ^
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