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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

& z+ r/ y: v2 Q客户要求如下,如果哪家工厂可以做,请和我联系
. R" |* k5 U: r# K: m' ~ M > The application that we have in mind is similar to others that we commonly
& ^9 R' W: U) y ^8 G > have. If we were to pay for FCC approval, we would want to use the modem
- i' E: k6 ?) o# a( n > units in all similar applications under the same approval number.
( a+ o, r. K8 x> Therefore, we would like to be able to configure the units to a specific
6 Q; w; r" m" n5 w, K> application. For the business that we do, this approach will yield more
2 {, _: X8 ~6 G5 |9 P6 Z > sales based on the same product and approval. We are interested in the
3 w& V' |5 E: b6 _$ `* P$ e> following specifications:
/ W+ Y r8 E+ ]9 O4 `>
' V9 p# q$ y! k, Z > - 2 inputs at the Transmitter with three possibilities;
' J+ K2 `: ]: ?> 2 analog
, o* P& H0 d, p$ e" Z, s > 2 digital
- M! ^0 u: w1 `2 C! A# `6 ]/ N! i6 B+ s > 1 analog and 1 digital
* n7 v- h( Q) D* d: w >
' T: L4 c, s7 a2 l/ @7 _' e G Y> - 2 outputs at the Receiver with three possibilities to match inputs
& _; D3 b. p J3 _) ~' K>
}+ ~( g8 O7 y) e7 H+ }: E5 G > - Ability to configure/define analog Transmitter input ranges through
3 w; j3 U( y u5 p7 G' f > simple programming method to correspond with full-range analog Receiver
$ u! {2 {5 u( @) B) j> outputs (0 - full voltage).
8 a" k( B$ x( k& S>
. ]2 U) Q6 |' h$ O7 T > - Ability to configure and set sample rates for the inputs.
1 E. }; A2 Z* _! V >
1 `. K+ b5 I; k1 P' t2 L/ I > - Digital output on Transmitter that turns on during the sampling period.
U3 T- c, y B>
7 B& A' |0 q8 [ > - Ability to configure a power saving Sleep Mode in the Transmitter by
- c+ ^% y1 ^) g> both software control and input hardware control.
9 \* I. M, {& J* K0 f>
- Z# k! L4 r# {1 N* {> In order to configure the units, we would need a way to make the
$ S: C; L8 g/ P' q ?! [1 U > settings. This would preferably be from a computer terminal so that
5 K3 Q( z9 | B > configurations can be saved or easily duplicated for production volumes.
# z9 I3 [3 a9 d1 c: T > The units should be small and compact with shielding, and able to mount
( p% }- [$ `$ ~* n7 [" r> to a printed circuit board with header connector.
8 {4 n7 y% e5 o>
6 F3 E6 u, t9 J! z% ?" n# S > At this time, we are interested in samples of a pair of modems that
5 c* l, N2 o$ |> might be similar to this proposed system. We do not expect that you
4 p$ u0 p$ a; o1 g, v& I3 _ > provide all of these specifications at this time. I can describe our
* L, j3 U' j1 d7 B6 Q> immediate application needs in the next email if this project is of
) ` d. j0 [6 e- P> interest to you. Perhaps you can make the samples by those
& j/ C& H0 L" s, a: `0 w" f; V0 g1 L0 M > specifications. This will allow us to test your radios before we move
8 F0 v3 [6 q h3 _ > forward. We are interested in your 900MHz radio to start.
# M7 B- r. T W7 N; w/ ~5 H6 s- E
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