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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/ W6 X9 K9 q( O N: m6 l0 W客户要求如下,如果哪家工厂可以做,请和我联系
: c6 T) v; O; D/ Y. Q5 f1 q' b. g> The application that we have in mind is similar to others that we commonly
" k" k# V O( d- j) r# i& ?! _> have. If we were to pay for FCC approval, we would want to use the modem
0 h3 ?+ n" a x# E, K5 j* `> units in all similar applications under the same approval number.
) ^* q" {8 q7 `& j) @ > Therefore, we would like to be able to configure the units to a specific
' L* U0 \; {8 O0 z1 G" z1 f9 K > application. For the business that we do, this approach will yield more
8 A( H3 k# ]. K0 \& T& ~/ z > sales based on the same product and approval. We are interested in the
( p% T/ ]) _3 U( _! G, B > following specifications:
. D2 U; a' P- [! C! g>
/ S7 _% M+ n' K' C; p! s/ ] > - 2 inputs at the Transmitter with three possibilities;
1 x$ s, G8 j. f; u, ` > 2 analog
a T2 \' E; A1 `> 2 digital
! a' @4 X" @- q > 1 analog and 1 digital
: c7 C& \+ ]- G) N: h >
- ^& u; k- u/ e6 W8 O0 } > - 2 outputs at the Receiver with three possibilities to match inputs
: s2 a+ o" [& O>
* Q* y0 i" q! V' m1 ~" | O: O q2 ` > - Ability to configure/define analog Transmitter input ranges through
# d) s3 c0 ^" R7 ~ k+ s > simple programming method to correspond with full-range analog Receiver
6 F: s, T1 V# V8 x > outputs (0 - full voltage).
( g% u; u" r. p5 i9 l>
7 \/ L4 p$ Y( c6 I9 {( I( ~> - Ability to configure and set sample rates for the inputs.
" Y& a/ ]! g) f/ A- g! p>
! ]8 }9 i6 k8 k8 I* \' {6 \3 o7 Z> - Digital output on Transmitter that turns on during the sampling period.
& R: k' `+ i( ?% K >
1 S' q0 i; z5 ?" W( s > - Ability to configure a power saving Sleep Mode in the Transmitter by
1 w! t4 Y8 |* K% q& i4 N( P> both software control and input hardware control.
, d3 o) ~! v4 h, L- s U" L >
! F! @3 l3 G+ I$ B1 g! Y! X > In order to configure the units, we would need a way to make the
- p% L) X' ^: U: g> settings. This would preferably be from a computer terminal so that
3 l: v: L7 i7 t1 S' G& k# A. p> configurations can be saved or easily duplicated for production volumes.
+ _4 I9 g1 c0 a) Z> The units should be small and compact with shielding, and able to mount
4 f7 O. k4 B) C0 Q> to a printed circuit board with header connector.
& b+ g6 g8 J8 M) }- y. ^1 G >
. P; \, r1 ~, y4 f > At this time, we are interested in samples of a pair of modems that
! Q6 e' ~, u n8 h; }( {. r# E > might be similar to this proposed system. We do not expect that you
' y3 e$ D' b# p > provide all of these specifications at this time. I can describe our
2 _- T2 t7 t ~8 \> immediate application needs in the next email if this project is of
# X# R4 o+ S1 x/ y: B* K> interest to you. Perhaps you can make the samples by those
5 ~9 w2 E1 v- g! n+ ]$ T > specifications. This will allow us to test your radios before we move
' u6 `# z1 I0 T+ {6 k > forward. We are interested in your 900MHz radio to start.
3 _* n G. @& l3 C6 p' Q- J9 j
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