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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, a3 K+ N& T1 z客户要求如下,如果哪家工厂可以做,请和我联系
2 W' B& | ]1 L4 P) j' ] > The application that we have in mind is similar to others that we commonly
& K# t' q/ q7 U> have. If we were to pay for FCC approval, we would want to use the modem
9 j0 r+ C' c3 f1 Y+ p2 x> units in all similar applications under the same approval number.
) s" x! e9 D( f4 k2 }> Therefore, we would like to be able to configure the units to a specific
5 q {( [* s4 z$ ^% x& e+ G& q > application. For the business that we do, this approach will yield more
- m7 Y! i7 N$ z, Y/ a% Z > sales based on the same product and approval. We are interested in the
. E: R/ ^, C7 w# `$ V > following specifications:
2 M+ Z4 M2 c/ P( w0 _- h* P- L >
" z6 Z; g8 O+ G > - 2 inputs at the Transmitter with three possibilities;
, T3 D3 q4 ^- ]+ L/ E4 I/ [> 2 analog
4 ?. A9 m/ ?7 h' t' h0 k9 ~9 Q > 2 digital
6 ^( [* S, i& I- _2 N > 1 analog and 1 digital
; G$ \& i2 i. T) g>
+ W9 p9 D* ]4 v& U+ o; F' q> - 2 outputs at the Receiver with three possibilities to match inputs
7 t: l" x, }: h8 \% u) q% K>
- T. F' e, w! n7 ~4 Q* n5 S8 \> - Ability to configure/define analog Transmitter input ranges through
8 I+ N* f \7 e+ i0 Q) A' P( Y: V> simple programming method to correspond with full-range analog Receiver
}- o' \, n% v, H/ v > outputs (0 - full voltage).
6 x+ g+ j: R$ y>
; b& Z: j, ]6 o3 ^ > - Ability to configure and set sample rates for the inputs.
& R5 R. j+ y/ w9 c. V- Y>
/ a8 e- s& @3 e9 b W8 o> - Digital output on Transmitter that turns on during the sampling period.
) y1 e; H; ?. R$ w5 ? >
& K8 j* W( c1 o+ v# [ > - Ability to configure a power saving Sleep Mode in the Transmitter by
& A) F I Y$ _" i' x, X > both software control and input hardware control.
1 P+ q; M$ c- v9 U$ k >
$ G: ?* ?/ _6 u > In order to configure the units, we would need a way to make the
1 T# n! C ]. o% K+ a6 e) w > settings. This would preferably be from a computer terminal so that
$ V8 q2 A8 l- l9 F5 v- ^' a+ }* f> configurations can be saved or easily duplicated for production volumes.
- w+ C1 V6 q6 @# _> The units should be small and compact with shielding, and able to mount
6 a. |% G. W# E& o4 r8 F> to a printed circuit board with header connector.
1 S. w* c% y/ |: ?! t1 ^. {2 k >
7 n, |7 j! H2 ^, `( k> At this time, we are interested in samples of a pair of modems that
/ u/ `7 i% e' i. ` > might be similar to this proposed system. We do not expect that you
+ O. G+ I+ v2 D$ r4 q! l! N6 W > provide all of these specifications at this time. I can describe our
9 S4 {0 M" {, w > immediate application needs in the next email if this project is of
- o6 _' X9 [4 L9 J+ W > interest to you. Perhaps you can make the samples by those
6 M: R+ w9 [6 K3 G2 t1 P! E% i> specifications. This will allow us to test your radios before we move
4 e ^( t& q. {0 l T S> forward. We are interested in your 900MHz radio to start.
& U% t( K5 v* z5 {/ I; a
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