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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

. ~7 k% \9 ? D \ 客户要求如下,如果哪家工厂可以做,请和我联系
; Q9 M+ [6 o/ ? > The application that we have in mind is similar to others that we commonly
2 w" @0 [. J5 ^4 V > have. If we were to pay for FCC approval, we would want to use the modem
6 q1 C( @7 ^& Y. v* b" M: c, j> units in all similar applications under the same approval number.
6 f3 W# G3 g1 y7 R8 C> Therefore, we would like to be able to configure the units to a specific
( q& s+ @1 W3 X) p, _9 u> application. For the business that we do, this approach will yield more
, d! l; ]" R) q* }9 m5 l2 D> sales based on the same product and approval. We are interested in the
# N6 Z' m! z J, e8 ]5 Y+ z; D > following specifications:
( T+ g7 ~) H7 b* @- q9 ^' O& y>
# |; r8 _3 K m6 s& Q& I8 i, ^ > - 2 inputs at the Transmitter with three possibilities;
- h# [2 \4 Q: q' d; F6 r3 o> 2 analog
* t) g! ?) F2 ~' {3 x1 ?. B' E > 2 digital
# j* c$ l& ] U) j# B> 1 analog and 1 digital
4 ?$ Y3 b. H/ `6 s3 o9 C p>
1 [% h8 S9 l! {. J$ B > - 2 outputs at the Receiver with three possibilities to match inputs
7 b3 x/ b- z+ B, ^) M2 a& G >
) C+ H! P% r, l& B > - Ability to configure/define analog Transmitter input ranges through
1 j& c+ `4 l" h5 j > simple programming method to correspond with full-range analog Receiver
( }' p/ T) w* E* g0 }> outputs (0 - full voltage).
$ W3 H) `: l) \ K3 X>
8 b; N& B& E5 A4 T- _5 }> - Ability to configure and set sample rates for the inputs.
|* Q* A4 o( y7 C+ ?2 O; d5 t>
% g. }9 p- T6 X8 {6 V > - Digital output on Transmitter that turns on during the sampling period.
9 Q; ]6 K% K4 j. E7 m% M+ m >
' ?8 G- e1 w3 ]8 L# s> - Ability to configure a power saving Sleep Mode in the Transmitter by
* R/ G6 r }2 O0 @8 Y9 A > both software control and input hardware control.
! V: w5 s* c& R2 E7 z >
) m; Y' X r, I9 [% L > In order to configure the units, we would need a way to make the
; i; V1 k/ G+ N6 x/ `/ E Q > settings. This would preferably be from a computer terminal so that
4 x+ m$ T% j; f+ ?' f > configurations can be saved or easily duplicated for production volumes.
4 V# @* e2 l+ t. b+ C/ W# X3 x > The units should be small and compact with shielding, and able to mount
) r2 S; g4 }2 a* a5 ~- q& P! ^> to a printed circuit board with header connector.
) g; O( F2 @( H( U6 `: Z! M>
( b! p8 \; @: j3 V7 Q" L( l8 K) d > At this time, we are interested in samples of a pair of modems that
7 G& y# W( [1 E > might be similar to this proposed system. We do not expect that you
# M t/ a- J$ C% S7 I> provide all of these specifications at this time. I can describe our
7 A- X5 B; M: m9 Q4 k > immediate application needs in the next email if this project is of
; Y' r4 z: `0 K1 @9 C" l9 I' X% z> interest to you. Perhaps you can make the samples by those
" _ m, c# {% z > specifications. This will allow us to test your radios before we move
) Y; i9 n3 f8 s. J4 Q4 j > forward. We are interested in your 900MHz radio to start.
5 w4 Q @3 O. P7 x8 j( Y8 e6 a
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