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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

5 g* x3 e1 Y$ E/ k% a3 V客户要求如下,如果哪家工厂可以做,请和我联系
4 T3 z; B( h- V/ Q: _; K5 J) Y0 H> The application that we have in mind is similar to others that we commonly
% _+ E: z# d V> have. If we were to pay for FCC approval, we would want to use the modem
7 U/ M, M! ^% a! ]> units in all similar applications under the same approval number.
1 B6 A$ H% b2 G8 f% E- A1 G* Q# S> Therefore, we would like to be able to configure the units to a specific
! v9 ~0 f7 m+ K( y: o2 \' d( T: I2 W& V > application. For the business that we do, this approach will yield more
* o7 _+ q9 {1 O! a/ } > sales based on the same product and approval. We are interested in the
. [2 [( }! b# b! [9 x> following specifications:
" P; H( h W+ @; L7 U >
1 s" P g; n6 ?> - 2 inputs at the Transmitter with three possibilities;
: E8 N- ]: `3 J6 s2 R> 2 analog
1 h) B) o1 u e0 R$ C > 2 digital
1 n9 Q& K0 W# e& t; ?/ f > 1 analog and 1 digital
3 k: L2 B" Y' R/ P; _ u: P0 n >
# T5 |' M! d3 j+ C W( S* I> - 2 outputs at the Receiver with three possibilities to match inputs
# d, ^( @' R$ }& K, k( K3 ? >
5 |6 X9 t+ g! e- @6 G> - Ability to configure/define analog Transmitter input ranges through
' |! G% b3 s6 P0 v. a> simple programming method to correspond with full-range analog Receiver
$ m& O* E6 b" c) a1 Z$ I5 _ > outputs (0 - full voltage).
) N) X- E1 `. u' L& \+ Q; ~7 ?+ ]; T >
" [9 P* u/ _! m> - Ability to configure and set sample rates for the inputs.
7 J1 _' w2 t7 z8 Q3 {: f0 w; [>
, s8 m& p4 Y5 q+ ~ > - Digital output on Transmitter that turns on during the sampling period.
+ l: B6 m2 G: U+ {$ G: h% V& E>
# Q, P4 z3 f4 c& \( G8 N > - Ability to configure a power saving Sleep Mode in the Transmitter by
8 o( J Q2 R& p$ p > both software control and input hardware control.
2 `8 u4 s: b. ^' Q/ a. r% w* N! S% z >
4 p# n* _- n* a3 ^> In order to configure the units, we would need a way to make the
; ?; h8 D2 d. }; v/ U> settings. This would preferably be from a computer terminal so that
8 h( o9 ]. E/ ]0 t5 @: w4 E> configurations can be saved or easily duplicated for production volumes.
6 s# }+ j; Q* N2 H > The units should be small and compact with shielding, and able to mount
9 b B2 S0 D9 e# z# C. Q> to a printed circuit board with header connector.
- Y$ \+ p4 v" m7 h l" ?1 P8 s( I2 k>
7 {6 n, Y5 S7 I& e, k8 y! f- N) |; j > At this time, we are interested in samples of a pair of modems that
3 i# [2 p* s& c > might be similar to this proposed system. We do not expect that you
; @( t0 o D5 H; n> provide all of these specifications at this time. I can describe our
: |- d9 m3 h3 _% O/ Y$ Z( H> immediate application needs in the next email if this project is of
. C6 b+ P" V; E$ M+ z> interest to you. Perhaps you can make the samples by those
1 {3 ^* F1 D/ ?. l+ t9 H! v> specifications. This will allow us to test your radios before we move
' F% U4 [& g2 c; Y% u$ {( S B/ U > forward. We are interested in your 900MHz radio to start.
: w" y, q' U- Q3 S3 x/ E/ V5 A* n
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