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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

* I2 D2 S0 B5 Z# e4 v9 E& q; k8 m3 I 客户要求如下,如果哪家工厂可以做,请和我联系
7 |7 b$ y! T2 o. u- N1 t$ Y > The application that we have in mind is similar to others that we commonly
+ Q0 u" T+ B, o' P" v > have. If we were to pay for FCC approval, we would want to use the modem
0 e( f) l/ e: |% L7 m8 Q > units in all similar applications under the same approval number.
) B$ A1 _% t1 `. E5 n, U k% v0 V > Therefore, we would like to be able to configure the units to a specific
) { ~" l* x5 I4 i, y$ S1 Z > application. For the business that we do, this approach will yield more
0 K( D! ]& C) d3 Z4 \1 F" W0 p+ L > sales based on the same product and approval. We are interested in the
9 w. p% u7 j; V2 k* G9 Z% a- W3 ? > following specifications:
2 Q* @. ]) X$ C$ H- U6 a >
4 D u# s% u- P$ W% Y" v> - 2 inputs at the Transmitter with three possibilities;
2 _9 d$ ^: A! G( p; n ]8 N> 2 analog
9 Z( e) Q5 a. o: ?5 M> 2 digital
; h2 ^$ B$ Q- c* y > 1 analog and 1 digital
$ [2 @+ e/ |1 ~* f9 f3 e>
1 O4 |- G6 n4 B$ u+ N9 N6 c > - 2 outputs at the Receiver with three possibilities to match inputs
7 x% ~3 v j& ?3 E5 q$ J2 o>
: K6 E+ z5 a( Y' [( S > - Ability to configure/define analog Transmitter input ranges through
7 B& F2 t, f2 ]* l2 d7 E8 f > simple programming method to correspond with full-range analog Receiver
" B+ C0 ~; ` L > outputs (0 - full voltage).
% @( J% i* |( L! k! F3 ? >
7 f# v. g# ?" O/ C > - Ability to configure and set sample rates for the inputs.
4 i( `. c4 D9 g/ \1 `- ~>
% y, P% s1 c/ v0 s+ M" X> - Digital output on Transmitter that turns on during the sampling period.
) g( o( T* R9 ~>
3 x( a2 h- C& G! @- R+ w> - Ability to configure a power saving Sleep Mode in the Transmitter by
! }9 `# k: y) J- B8 Z- _9 S> both software control and input hardware control.
" a, _ L# Y% v >
! j, h, F: A6 o c > In order to configure the units, we would need a way to make the
1 Z) r8 x# d" g7 n: E> settings. This would preferably be from a computer terminal so that
" Y" |% [$ s6 |$ D > configurations can be saved or easily duplicated for production volumes.
& W0 n5 `7 L# \# Q! g> The units should be small and compact with shielding, and able to mount
9 `! ]" e$ Q1 ` N( S6 I > to a printed circuit board with header connector.
/ V) }/ O1 H* Q, ?8 K% b7 q >
2 e" `- `. ^( v& j: A> At this time, we are interested in samples of a pair of modems that
9 `8 n# @0 O! A1 |% Z( E# A> might be similar to this proposed system. We do not expect that you
7 Z" U! M. i; h3 s3 k$ z > provide all of these specifications at this time. I can describe our
8 p" X! n+ }0 c6 u( P4 c$ m2 U, g > immediate application needs in the next email if this project is of
- L1 u, |9 _7 T) S/ W; T> interest to you. Perhaps you can make the samples by those
$ {" A# Q, H' J. J) z0 o> specifications. This will allow us to test your radios before we move
% n9 t7 w1 }9 s& s> forward. We are interested in your 900MHz radio to start.
* T$ V2 t* I# b9 p$ a' w* P
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