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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

5 X7 x' V# E8 g- R! D; f, H客户要求如下,如果哪家工厂可以做,请和我联系
. H4 N1 Y6 O3 y- m" x > The application that we have in mind is similar to others that we commonly
3 n6 Y a% |0 [; v8 t > have. If we were to pay for FCC approval, we would want to use the modem
, I/ V& C* @0 ] I; U& r > units in all similar applications under the same approval number.
4 S8 F' E4 v8 b6 m% P+ }& A2 d > Therefore, we would like to be able to configure the units to a specific
9 A6 S5 N, H5 C2 n" L> application. For the business that we do, this approach will yield more
$ G$ M/ p) l/ [0 v> sales based on the same product and approval. We are interested in the
: I% ^- J2 x* _; q) O) I" `9 x> following specifications:
6 Y/ e- J5 K) D( C3 \) A1 H>
% A- S7 w8 v- M; X > - 2 inputs at the Transmitter with three possibilities;
+ P- U) V7 ` w: f- Y( { > 2 analog
& U5 B% {, l4 `- ]6 k1 W- M > 2 digital
8 f% g2 q" j$ `3 I5 h > 1 analog and 1 digital
8 a" @2 c( V+ i >
/ {: |' W1 M1 f' D > - 2 outputs at the Receiver with three possibilities to match inputs
% L c: T, x/ V3 K >
* Z, I; ~( c7 V > - Ability to configure/define analog Transmitter input ranges through
$ O' V+ Z$ t6 F( D2 u6 F% \ > simple programming method to correspond with full-range analog Receiver
! C W' V) I) a8 I& J > outputs (0 - full voltage).
: B4 h1 [9 b! X' _, h; I: e>
^0 ]" X/ A/ W' `% y) w, }- e% ~> - Ability to configure and set sample rates for the inputs.
. V9 b( I3 U( L; L. o" L>
- O1 {3 U4 A7 G8 o. m3 U, L9 S > - Digital output on Transmitter that turns on during the sampling period.
. B, A) E1 T9 p, s2 p/ d >
9 D; w8 w' J) |> - Ability to configure a power saving Sleep Mode in the Transmitter by
. q. o; J6 y+ s' Q5 @ > both software control and input hardware control.
+ |4 d) W; x2 I) _( g& v >
$ W" d9 T8 j" s0 H6 E. U > In order to configure the units, we would need a way to make the
' N3 Y" y" d! N > settings. This would preferably be from a computer terminal so that
2 t; c. L; A& Q* T# G > configurations can be saved or easily duplicated for production volumes.
4 C K: q/ J" i) k) B1 a: ? > The units should be small and compact with shielding, and able to mount
- |. d7 a; n0 Q2 V. D. Y0 P0 A' R > to a printed circuit board with header connector.
: h* a q/ a. F" _% F) J >
3 o$ n' p4 f1 b; M5 q9 o$ k$ \ > At this time, we are interested in samples of a pair of modems that
! `3 H1 J P- }> might be similar to this proposed system. We do not expect that you
' T& E* Z. P' q6 h7 W/ ~ > provide all of these specifications at this time. I can describe our
% ?/ W8 J% F, z6 o> immediate application needs in the next email if this project is of
$ d; G. k% `8 e3 g > interest to you. Perhaps you can make the samples by those
9 b" t0 T% L' @/ Z > specifications. This will allow us to test your radios before we move
) S; F# M. X) a' \> forward. We are interested in your 900MHz radio to start.
# e8 X4 I& V% R0 G+ F. ]; d
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