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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

! V, ~5 _$ L: k* Z: T 客户要求如下,如果哪家工厂可以做,请和我联系
( }7 y7 l- |* P3 J4 K! m u > The application that we have in mind is similar to others that we commonly
: J9 E3 `. ]/ H > have. If we were to pay for FCC approval, we would want to use the modem
+ ]5 |# R9 K; U* i1 ^+ L) t> units in all similar applications under the same approval number.
; t7 [" d4 W" }) I$ ? l> Therefore, we would like to be able to configure the units to a specific
" [. i- T: i/ Z% A0 V. [; o> application. For the business that we do, this approach will yield more
* s/ w u% I& K$ \/ u/ H9 M > sales based on the same product and approval. We are interested in the
$ P0 T' N0 d( z: q+ j5 k8 k6 t* J> following specifications:
7 s; m$ Y0 w1 Y7 x>
0 N5 u( S: f7 J) k7 o2 m> - 2 inputs at the Transmitter with three possibilities;
4 o# ` L! ^, U* |( Z. x > 2 analog
" o% r w( q0 W, u1 P5 w$ A$ M > 2 digital
& r/ t0 o& \8 x3 n7 {" P6 |$ D6 x. w > 1 analog and 1 digital
8 m# o8 S9 ^7 R, f$ _1 Q>
5 L5 q; h) l( [# Q( V; D. D > - 2 outputs at the Receiver with three possibilities to match inputs
5 A; G1 k( C; X- F* j$ S >
: y4 J1 {1 i' W7 |> - Ability to configure/define analog Transmitter input ranges through
7 J7 B z, ?5 u8 V0 e) C> simple programming method to correspond with full-range analog Receiver
^3 ? H- ]: ~& ]> outputs (0 - full voltage).
# t3 T' B' w5 b. y& M$ z7 r>
& l5 k& A5 @) S9 D* W > - Ability to configure and set sample rates for the inputs.
( Q' b, Y2 g" _) z. ^. _6 A>
# Y# E2 K, _8 X* @1 I$ ?/ Q> - Digital output on Transmitter that turns on during the sampling period.
! M7 z w% k) j% ^>
7 ]! n0 ^+ ~& t! H8 o$ j> - Ability to configure a power saving Sleep Mode in the Transmitter by
Z {( n7 |9 _% y3 ~> both software control and input hardware control.
) j( P; V' g9 p1 A$ i0 F- j3 X6 R>
; [3 Z8 R1 U' S2 c a> In order to configure the units, we would need a way to make the
9 n u a% _1 M3 j' L3 w; {7 { > settings. This would preferably be from a computer terminal so that
( ^; |* ~ v" s$ h > configurations can be saved or easily duplicated for production volumes.
" N8 x: v9 n8 E9 l > The units should be small and compact with shielding, and able to mount
5 m5 ~' v4 ?9 h' `> to a printed circuit board with header connector.
2 t* {* J" i+ z4 i3 `& \1 w5 J) e- B& b>
- ?) \; [6 x# C* s4 ?2 c> At this time, we are interested in samples of a pair of modems that
8 |, ~/ y3 Z+ }* n! _. V7 D > might be similar to this proposed system. We do not expect that you
: J, H9 E: O( O> provide all of these specifications at this time. I can describe our
1 P3 l# x- D" S. B, {: [> immediate application needs in the next email if this project is of
' D3 q( K6 ?1 S6 W0 h0 K0 e$ } > interest to you. Perhaps you can make the samples by those
. R3 l6 U2 l/ @% |' N7 G3 ]) R0 M > specifications. This will allow us to test your radios before we move
1 q# E6 p; P8 A) j7 v> forward. We are interested in your 900MHz radio to start.
9 |" k9 D' r, U# X+ u
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