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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

4 f6 W( H0 C0 `' a8 `* v客户要求如下,如果哪家工厂可以做,请和我联系
" H: f6 @. H, U# ?> The application that we have in mind is similar to others that we commonly
7 C' {9 ]+ E! g1 u# Y7 G. @> have. If we were to pay for FCC approval, we would want to use the modem
t: B, ]. M! X2 ?' T- u > units in all similar applications under the same approval number.
, n7 I# r6 G) s- z > Therefore, we would like to be able to configure the units to a specific
2 [( N z! Z8 E> application. For the business that we do, this approach will yield more
! y, l- P8 i: u, e* @1 N9 u% w6 H> sales based on the same product and approval. We are interested in the
2 G. l+ w Z" f* e" t6 I- [! `> following specifications:
6 _0 a h' z0 _8 l' w>
, ?4 `; T H# Q> - 2 inputs at the Transmitter with three possibilities;
/ w( S4 t2 U* I3 L, w > 2 analog
+ q2 M5 B7 @' C; d > 2 digital
3 r: R4 I$ T9 U# Z5 t$ ?# E1 T > 1 analog and 1 digital
) V A# [, S( \. w9 m' ~: N>
( i9 k' w2 @5 g > - 2 outputs at the Receiver with three possibilities to match inputs
6 ?# Y1 J4 y; F- I7 Q>
; j# W3 S* l+ Z6 {! b4 A > - Ability to configure/define analog Transmitter input ranges through
9 N3 n1 t9 ]/ j2 N: i* c> simple programming method to correspond with full-range analog Receiver
3 p$ O6 J3 z, Y# U/ y7 u> outputs (0 - full voltage).
, }* g: S1 W, D >
- @; U$ \3 T5 F1 J> - Ability to configure and set sample rates for the inputs.
# H% V' Q$ a* M+ T. A# S& O6 w >
/ i6 d- X# v* c2 R8 K > - Digital output on Transmitter that turns on during the sampling period.
s) \/ Y8 `& H. G* O1 e9 F% Q >
5 o: }2 ~" U+ x1 \9 f2 S! n> - Ability to configure a power saving Sleep Mode in the Transmitter by
( J7 i( H' ?. s! ]. N# r > both software control and input hardware control.
: m# u, c" }: W3 p. j& y' J+ ^8 B>
( `- a. d9 ]% o# P) t' d% Z) w> In order to configure the units, we would need a way to make the
0 m7 e, \3 p% I" Y8 |0 x" k( _2 T7 m > settings. This would preferably be from a computer terminal so that
6 w. q: P6 S. v5 N: s5 a; J > configurations can be saved or easily duplicated for production volumes.
& Z( o. a$ X, k G> The units should be small and compact with shielding, and able to mount
! {3 w: C9 K/ d9 ~3 g% |8 ] > to a printed circuit board with header connector.
/ R" {& w0 b9 ?7 ^& e% k& k>
! M6 U* U1 T+ l9 Q$ Z9 t4 H> At this time, we are interested in samples of a pair of modems that
$ L4 @; L. m$ N. ?> might be similar to this proposed system. We do not expect that you
0 |3 F( |; P1 k* h2 _1 G+ Q1 q> provide all of these specifications at this time. I can describe our
5 e1 A p1 e1 I& R- } @) l > immediate application needs in the next email if this project is of
% O8 o# N7 s- f > interest to you. Perhaps you can make the samples by those
2 N1 H& T+ i V y> specifications. This will allow us to test your radios before we move
, J2 W) q8 `$ t! R( o! S9 n' k> forward. We are interested in your 900MHz radio to start.
( E+ L: T& X. V; C5 I% T; z
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