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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

# Q" v: i. m! s 客户要求如下,如果哪家工厂可以做,请和我联系
+ o8 ?" \0 j9 k7 `. W> The application that we have in mind is similar to others that we commonly
6 Z: I2 n1 [' p# ]> have. If we were to pay for FCC approval, we would want to use the modem
9 y! Z7 c; z; Y, n* R> units in all similar applications under the same approval number.
8 l% T6 |6 F! Y, S+ @1 O! z+ D' K > Therefore, we would like to be able to configure the units to a specific
/ |4 ]- Y7 J2 v: [- p" f > application. For the business that we do, this approach will yield more
0 q& }: w" _2 ~. Y5 t> sales based on the same product and approval. We are interested in the
$ u- I/ c3 J7 q2 r) K; ?) \> following specifications:
2 I n' y7 Z; l( b! C' I* P" i>
, T# n! Q @) G, f > - 2 inputs at the Transmitter with three possibilities;
9 G3 ~6 }3 e( V4 f E- u% ] > 2 analog
. C/ @) Y7 S( x& x/ _# A > 2 digital
( a% [ d Q0 V) E" r2 |2 n! Z" B> 1 analog and 1 digital
# Q+ A0 f# j; G, G >
, N0 L! p% w+ X+ n4 e3 C> - 2 outputs at the Receiver with three possibilities to match inputs
# G2 L4 w( x; O4 O& d, k S% h >
. h: j' k% X; J& L' F+ l; [" ^* T > - Ability to configure/define analog Transmitter input ranges through
k, h/ q" k2 t > simple programming method to correspond with full-range analog Receiver
5 [. R* F( K \ > outputs (0 - full voltage).
2 V! l. _9 k, h >
6 g7 B3 c c9 T; o3 @, R8 x+ Q > - Ability to configure and set sample rates for the inputs.
; U& {$ L( j; |! v >
R% j- d3 R: I7 ?+ T: H/ m; h" m+ |> - Digital output on Transmitter that turns on during the sampling period.
5 k2 M1 H; }) \" K >
( d) v, `# O9 a9 x* \/ e0 T > - Ability to configure a power saving Sleep Mode in the Transmitter by
" m* {) P- b( ~9 q: S, R4 \/ r> both software control and input hardware control.
$ I6 |/ K$ j; r8 H: U4 {* l. Y* v& [>
K9 [# ~" m4 Q. |0 S> In order to configure the units, we would need a way to make the
: T, v, s' N$ R> settings. This would preferably be from a computer terminal so that
4 x. s2 S6 Q, ]; n > configurations can be saved or easily duplicated for production volumes.
( \/ H' E2 S5 `. m8 _2 G > The units should be small and compact with shielding, and able to mount
- ?. L1 `. m3 i& r) Z7 A6 Z# z> to a printed circuit board with header connector.
0 d% E2 i$ K% q; l) E >
l/ A' e3 }! u5 n' V2 Z' p* x > At this time, we are interested in samples of a pair of modems that
& m! B0 ?9 }6 S5 I! _ > might be similar to this proposed system. We do not expect that you
# @( d9 K' J8 E' D Y1 S' x > provide all of these specifications at this time. I can describe our
6 q8 w' J( `, B > immediate application needs in the next email if this project is of
9 m/ W; @, D0 ^! N1 d, _/ _, o> interest to you. Perhaps you can make the samples by those
& A* v/ U! m* U6 I! O$ @+ S> specifications. This will allow us to test your radios before we move
/ N1 E8 s) r4 m/ L > forward. We are interested in your 900MHz radio to start.
; m; E* p0 x, U+ K* u& \! V
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