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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

3 o/ ]3 D D3 V; v! y7 I5 C0 ?4 s 客户要求如下,如果哪家工厂可以做,请和我联系
% E( x6 S; _1 V> The application that we have in mind is similar to others that we commonly
2 ~2 F2 u4 `6 y8 D r > have. If we were to pay for FCC approval, we would want to use the modem
$ a$ ~) h# R# b! \; c> units in all similar applications under the same approval number.
8 \* u d& P, m$ `+ P> Therefore, we would like to be able to configure the units to a specific
" K' J$ m# r b! t- | > application. For the business that we do, this approach will yield more
# G( e9 g; F Y. c+ z7 b% q> sales based on the same product and approval. We are interested in the
- ?- w& e2 ]9 Z1 `> following specifications:
9 h3 V/ }. y: a>
3 y# k1 P2 Y3 |+ F > - 2 inputs at the Transmitter with three possibilities;
; q) h7 E8 m6 l! s: z+ i > 2 analog
z/ r e$ u6 j8 X > 2 digital
( \: \4 i# ~' N3 h4 ?" a% R/ H0 F > 1 analog and 1 digital
8 I( C& f; Z7 \>
. N4 m$ f2 {+ z8 H. x> - 2 outputs at the Receiver with three possibilities to match inputs
& T2 U0 T, R- Z- `% D8 r6 d" P3 O>
: w0 ^( N4 S/ J* u/ l3 K* \> - Ability to configure/define analog Transmitter input ranges through
( f7 q6 F: r6 O > simple programming method to correspond with full-range analog Receiver
3 ^5 P) f" P5 f: r/ |, M> outputs (0 - full voltage).
: g1 @4 B R3 X1 f6 Z) U$ P >
2 Q$ O) h2 W$ O2 p> - Ability to configure and set sample rates for the inputs.
, O) O1 E, a" ` >
[2 B/ X/ ~# ^/ y( g: O* P$ { > - Digital output on Transmitter that turns on during the sampling period.
4 D4 T# v$ d/ R>
; v. D% o8 C% b% G% |7 v$ _2 { > - Ability to configure a power saving Sleep Mode in the Transmitter by
4 g; p- u* ^+ `7 o6 ~1 O9 e > both software control and input hardware control.
' B- I) Q6 ]. w% C* D* w, x>
# o# [2 V9 `1 }> In order to configure the units, we would need a way to make the
; @7 {* S4 K8 c# L7 u: b > settings. This would preferably be from a computer terminal so that
- c8 i% b0 d5 W; }2 G' t > configurations can be saved or easily duplicated for production volumes.
4 r% K; p# D' F# ^3 z& {# k > The units should be small and compact with shielding, and able to mount
0 {' r- ^' v2 a; p > to a printed circuit board with header connector.
7 R1 ?' N3 g; w2 D% r" L >
$ W" Q. y: N/ O- A; V! Q > At this time, we are interested in samples of a pair of modems that
& r6 x3 u% i& z8 @9 C> might be similar to this proposed system. We do not expect that you
3 G \" u* w5 n2 b8 L7 r, ~7 Y {+ Z > provide all of these specifications at this time. I can describe our
+ X- O) N" S& U0 M, h > immediate application needs in the next email if this project is of
9 U& I$ D% v0 \ K% U1 m > interest to you. Perhaps you can make the samples by those
* J+ k3 x5 R4 J+ s9 W> specifications. This will allow us to test your radios before we move
+ u0 U% w6 G8 O# q2 {5 F. p0 N& P' z > forward. We are interested in your 900MHz radio to start.
& ^8 s) J- `, F0 Q2 o# r
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