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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

8 E! z0 {6 D/ h5 i) m$ B8 R客户要求如下,如果哪家工厂可以做,请和我联系
+ S/ T2 ?; w" T- V* U > The application that we have in mind is similar to others that we commonly
1 _# i, W6 p" a" ^, x2 s> have. If we were to pay for FCC approval, we would want to use the modem
( ^) E, T1 E4 c0 O1 J0 m U8 D> units in all similar applications under the same approval number.
$ X; i& b" R3 |/ U: j. _ > Therefore, we would like to be able to configure the units to a specific
! A1 Q3 q# Q: \& \3 i6 {: m/ g> application. For the business that we do, this approach will yield more
! ]9 k v' s# }, C> sales based on the same product and approval. We are interested in the
V1 s' j1 {2 b: i0 s' W0 v3 A0 ` > following specifications:
- t: Q3 B1 T8 l1 T. T; i>
3 _. S: L+ w) r/ b> - 2 inputs at the Transmitter with three possibilities;
! M/ K2 A4 f3 x: ?. o0 z > 2 analog
+ b: U% R' ~" S+ e: x4 L > 2 digital
+ C, i, p2 ?4 M8 J> 1 analog and 1 digital
2 U* Y7 n9 L& P>
; [" b# L4 m# _% g/ X; x> - 2 outputs at the Receiver with three possibilities to match inputs
5 g' u* o$ S+ z1 O. j>
; [: }1 V# E X2 u2 C> - Ability to configure/define analog Transmitter input ranges through
: c2 F) `) F6 J7 I! _8 e; t> simple programming method to correspond with full-range analog Receiver
$ B9 F% y; S: g! p > outputs (0 - full voltage).
/ d' \# B, w8 M+ q8 _% h% z) k >
, G3 I4 Z- o% W: T4 l- s1 e+ H( \> - Ability to configure and set sample rates for the inputs.
7 s, h( H/ u) k* f' x2 y >
8 \, A0 H- W) _6 V9 O > - Digital output on Transmitter that turns on during the sampling period.
$ Z# H- y6 x+ N7 U, C>
; \- |* W: C8 s% e1 b) G* r( {8 I> - Ability to configure a power saving Sleep Mode in the Transmitter by
* w+ f' o) a5 x% N1 a5 E > both software control and input hardware control.
e: a) i7 V. P* e, u5 L! V >
; a; m" l" g4 L > In order to configure the units, we would need a way to make the
* A `# h. I3 J% `: {' ]5 Y > settings. This would preferably be from a computer terminal so that
& J( j' V5 R6 E > configurations can be saved or easily duplicated for production volumes.
% v# N* o& G3 ? > The units should be small and compact with shielding, and able to mount
/ H3 C0 p# T2 Q> to a printed circuit board with header connector.
# l H) ]! g7 [& `0 M6 v >
9 c8 c7 M) r* ~7 i" g8 l> At this time, we are interested in samples of a pair of modems that
! E5 Q* G- x. E0 S1 y! t> might be similar to this proposed system. We do not expect that you
/ @. k% N# M5 |, R, ^3 P> provide all of these specifications at this time. I can describe our
- G8 h- ~7 \( q5 ~ > immediate application needs in the next email if this project is of
* D% a( R B7 z* \# I) J' f& B> interest to you. Perhaps you can make the samples by those
/ a" j2 j* L( U( {, ^> specifications. This will allow us to test your radios before we move
X- t/ ]6 e; s1 n: C1 W > forward. We are interested in your 900MHz radio to start.
; s. h1 F, a+ U h; N$ n! g
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