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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

2 [ {* ? f! e# R6 L) C' O* S 客户要求如下,如果哪家工厂可以做,请和我联系
9 K1 p! @2 o8 b) M6 F > The application that we have in mind is similar to others that we commonly
4 s% D; J/ y' G6 R > have. If we were to pay for FCC approval, we would want to use the modem
5 O6 i' y: s! m$ Z4 _: Z> units in all similar applications under the same approval number.
3 D/ P0 L6 N$ J y( K8 N9 F, U. }# V> Therefore, we would like to be able to configure the units to a specific
& o. }/ u& R C9 N# | > application. For the business that we do, this approach will yield more
. E) y4 P* ~7 m- F) i) ] > sales based on the same product and approval. We are interested in the
5 J/ {( X9 f) P! P! r > following specifications:
$ H0 `- C. a/ Z" {>
& D5 W2 e7 y' g% U1 d > - 2 inputs at the Transmitter with three possibilities;
}/ M" E; c( x5 s- u6 b5 [ > 2 analog
' }. s8 h1 Q5 o, `% S> 2 digital
0 t7 s# k7 A! Q) b/ X5 a: D > 1 analog and 1 digital
, Z6 x B: N+ m; R, G>
- _' k* i& V6 d9 k: S6 V > - 2 outputs at the Receiver with three possibilities to match inputs
; `+ c' b3 X" l" c6 Y>
, W n, H/ u, l/ f& `> - Ability to configure/define analog Transmitter input ranges through
6 H' l7 H, n d& B9 M> simple programming method to correspond with full-range analog Receiver
* M2 u( L; y& K# |! p> outputs (0 - full voltage).
) P/ x1 @' i& I4 ] >
+ P0 s+ u% W/ z6 \! k% r) t > - Ability to configure and set sample rates for the inputs.
6 O7 b) _ E" ~$ w- i" _>
6 ~( K2 q, K0 h6 K% S/ i> - Digital output on Transmitter that turns on during the sampling period.
8 Y2 d) f' @. l& P9 c, T>
- Q y4 [. }: {8 ` > - Ability to configure a power saving Sleep Mode in the Transmitter by
, @5 {, B& k6 H; F# N8 Q$ ]> both software control and input hardware control.
2 R, j# {: ^' g) \( H! |% ^3 C>
) g: B1 D } A > In order to configure the units, we would need a way to make the
$ [$ _) L7 n3 _( k( b% Q/ B> settings. This would preferably be from a computer terminal so that
; W2 V# ?7 X. P2 a > configurations can be saved or easily duplicated for production volumes.
# Q6 b: `3 b( W3 v > The units should be small and compact with shielding, and able to mount
9 L- y7 H4 F+ N8 o1 ^" ?: b> to a printed circuit board with header connector.
* ?8 ?" i, P3 Z$ ]6 I- J8 F >
) i6 p9 M7 U( @: l- C c. W> At this time, we are interested in samples of a pair of modems that
7 {' P+ }% A( M. f0 J> might be similar to this proposed system. We do not expect that you
4 f0 Z7 S0 K4 b> provide all of these specifications at this time. I can describe our
0 j( M" j& P' S" N+ T3 Q > immediate application needs in the next email if this project is of
+ y: D5 w, y$ Z9 u> interest to you. Perhaps you can make the samples by those
# \! d0 _' W; p; I+ ]* H> specifications. This will allow us to test your radios before we move
i" U! G6 C: s > forward. We are interested in your 900MHz radio to start.
4 M+ q7 g5 P9 K% Q( h4 W
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