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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

' X# |# }! L, q( T$ Y客户要求如下,如果哪家工厂可以做,请和我联系
' {6 H6 J/ g. o+ |> The application that we have in mind is similar to others that we commonly
, G3 z! R% b+ |> have. If we were to pay for FCC approval, we would want to use the modem
. O& H: n. v6 _, h > units in all similar applications under the same approval number.
' K |; G$ h y [* m% D C# X. b/ U% h> Therefore, we would like to be able to configure the units to a specific
2 Z! G' o: Q7 ?6 j" @ > application. For the business that we do, this approach will yield more
, K9 |/ V, O8 H( l9 u- o8 f3 f > sales based on the same product and approval. We are interested in the
9 J, {1 z% y! ` U+ U) N > following specifications:
! h& H/ e* f7 ]4 x& v; S, z$ A>
. G6 h) O9 L5 s8 l+ a% u+ P: y > - 2 inputs at the Transmitter with three possibilities;
3 G( B5 C" Y5 B. ?6 c5 o> 2 analog
V, F1 B4 z% Y/ D! e3 j" L1 E8 m, _> 2 digital
1 |' h6 W+ D0 j- c) [) R > 1 analog and 1 digital
" X! _) T0 _& P/ V5 P" O0 _, {>
% L U1 i8 {* I& W > - 2 outputs at the Receiver with three possibilities to match inputs
/ @- W4 R9 I! M/ }% Z >
/ L7 }) N& E4 Z> - Ability to configure/define analog Transmitter input ranges through
9 U3 `0 O" |. [5 \ > simple programming method to correspond with full-range analog Receiver
4 z$ ^* j2 h. D: S9 r8 ]> outputs (0 - full voltage).
' s' k$ r. t! ]0 {- w0 C n+ I >
1 M) ?4 m3 L9 C; U > - Ability to configure and set sample rates for the inputs.
% Q; L! D* a/ H: g( f8 D: Q, I6 l >
' l- u+ ?; P: }; `$ c > - Digital output on Transmitter that turns on during the sampling period.
6 V9 }5 U% j& L5 Z; b>
7 m1 e/ R" w) J T) X> - Ability to configure a power saving Sleep Mode in the Transmitter by
+ ^: `) R1 S( a0 |' s> both software control and input hardware control.
) v4 z$ [8 }" O) n >
$ k8 L u/ p0 `+ k+ h> In order to configure the units, we would need a way to make the
, F6 X3 b3 I1 {' \" D& e( e! j > settings. This would preferably be from a computer terminal so that
* ?* d1 G$ ]( g# b: G2 j! }# ^> configurations can be saved or easily duplicated for production volumes.
% S2 X* H4 M: A3 `, [- A > The units should be small and compact with shielding, and able to mount
4 q6 X O# E7 I> to a printed circuit board with header connector.
* X) r6 X* d- X0 ^6 p0 u# f0 S* { >
+ g' C0 B! k1 {( C) v: q; D > At this time, we are interested in samples of a pair of modems that
& J z4 V# i! ~ > might be similar to this proposed system. We do not expect that you
% ?6 S% k# Y7 F/ E% s' d> provide all of these specifications at this time. I can describe our
7 Q- m; ]. X8 N9 J- \ > immediate application needs in the next email if this project is of
( Z, J5 P C" s+ Q# t" j# T> interest to you. Perhaps you can make the samples by those
; c; D# U* g9 Y( q" v > specifications. This will allow us to test your radios before we move
) C- V3 O1 M9 h; D7 X > forward. We are interested in your 900MHz radio to start.
# j% K$ o8 d. \; R
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