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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

/ m0 U5 X% U1 V& Q. n: K客户要求如下,如果哪家工厂可以做,请和我联系
1 `; L& A* A5 U$ h! h, Y. I/ I > The application that we have in mind is similar to others that we commonly
2 B$ _/ ?% t) t> have. If we were to pay for FCC approval, we would want to use the modem
$ C& v/ j9 h0 ` > units in all similar applications under the same approval number.
& ^; c% x6 |( |# O6 i2 I > Therefore, we would like to be able to configure the units to a specific
8 b9 v; x. U9 j# o > application. For the business that we do, this approach will yield more
% Q& t* y+ @0 a0 y; a > sales based on the same product and approval. We are interested in the
. _" c; c. B! E9 f; _$ x; K> following specifications:
5 |" ]' K7 r5 o0 I; c9 r" u>
3 L4 K U8 I/ @7 V( E) N> - 2 inputs at the Transmitter with three possibilities;
[+ s' E/ ]/ x > 2 analog
: A" ~+ g! _/ @4 X( c. N> 2 digital
( Q3 B- I7 L1 x) [6 {/ d3 Y > 1 analog and 1 digital
3 L1 |7 _2 k8 P+ N& M3 S% k>
P" C' N- c" h1 x9 L( S3 I > - 2 outputs at the Receiver with three possibilities to match inputs
3 ^. R9 C' H& G) X P7 \ >
! u# `* e9 ^& X2 u+ a# E> - Ability to configure/define analog Transmitter input ranges through
& R0 i4 s1 O2 @" H. l > simple programming method to correspond with full-range analog Receiver
7 i1 Y1 N: j& H6 C) X > outputs (0 - full voltage).
' n9 ~* m; F- u4 o8 }4 Z >
' ]6 s' u8 ~" J4 ]1 C > - Ability to configure and set sample rates for the inputs.
4 a" h0 C0 z, P1 G! ^! l7 v>
+ ^$ a* C; ~( [ q> - Digital output on Transmitter that turns on during the sampling period.
: E# X, x$ A, L& p+ @! W6 L>
: l; z+ r! F% k7 O" Z" z# s: ^ > - Ability to configure a power saving Sleep Mode in the Transmitter by
4 ?( f' }# v m9 u> both software control and input hardware control.
$ w9 H6 r+ G2 d& k6 t5 | >
* Z! [2 w. ?. }+ Y! h6 n7 K> In order to configure the units, we would need a way to make the
+ N' ^' o# U" I* s# Q7 Q, x( B6 h > settings. This would preferably be from a computer terminal so that
) j5 B' |2 w8 c1 m R> configurations can be saved or easily duplicated for production volumes.
8 E7 N8 k# y2 O > The units should be small and compact with shielding, and able to mount
1 P* g: Q' V2 ~; L! n p> to a printed circuit board with header connector.
4 B# X n* G* Z. d2 ?" n >
( ?2 p0 z: D' J) i9 F; B+ ]! ] > At this time, we are interested in samples of a pair of modems that
3 `& U, S4 y; U8 @- ]( `. g$ E > might be similar to this proposed system. We do not expect that you
' Z; _8 Q u* v, o4 y5 V > provide all of these specifications at this time. I can describe our
. Z' S* x( G. D, E> immediate application needs in the next email if this project is of
! i* j3 ]: j* b$ Y F3 @' T" n> interest to you. Perhaps you can make the samples by those
( M4 h2 g5 {5 F/ G9 O+ y > specifications. This will allow us to test your radios before we move
1 x; m. h/ H3 u; U% l+ f> forward. We are interested in your 900MHz radio to start.
1 s. y# @: u" y: S' G9 J, ^
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