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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

% o# K+ J2 D2 S/ r2 i, A, A, g 客户要求如下,如果哪家工厂可以做,请和我联系
/ _# q& F1 t5 j& ~4 [> The application that we have in mind is similar to others that we commonly
; g8 u! S& i# x: S' p J( | > have. If we were to pay for FCC approval, we would want to use the modem
5 g$ f3 C; E' F- E' }- q2 H$ H& p > units in all similar applications under the same approval number.
; ?/ e2 C. \1 I1 X1 ~% n> Therefore, we would like to be able to configure the units to a specific
7 j; n( f* X$ Q# S+ _ R > application. For the business that we do, this approach will yield more
" F: X/ T8 E5 O# X) w# V$ B8 { > sales based on the same product and approval. We are interested in the
) @+ l, q0 R3 q" U; L > following specifications:
% P. M# V. W+ z# Z0 N: N5 V>
& X6 t7 L$ x4 x) I! [$ Q( S7 ^' [/ a> - 2 inputs at the Transmitter with three possibilities;
1 K- Y4 h7 W3 P, O( s > 2 analog
9 [+ e* ?1 f6 e, _8 `" `> 2 digital
& ~% ^3 Z) f0 r> 1 analog and 1 digital
* }1 B- e+ y4 n6 a# d>
: K5 w- i4 P! y/ ]* s7 L > - 2 outputs at the Receiver with three possibilities to match inputs
) g: ~1 \' m9 E( V0 ?. k>
' y+ Z5 d+ P A( D& L > - Ability to configure/define analog Transmitter input ranges through
# y5 d. X( `2 _8 D/ D* s7 \. G+ G9 C> simple programming method to correspond with full-range analog Receiver
) e; k7 s4 u. B, x0 A5 G/ A > outputs (0 - full voltage).
3 B( ?) @9 Q# | j9 z' r1 q >
0 o" T" {( ?2 u3 S > - Ability to configure and set sample rates for the inputs.
: ?7 ^, P) j/ X3 o>
5 ]9 @ `3 a) |, A3 [, g > - Digital output on Transmitter that turns on during the sampling period.
% O! H+ y/ |0 M' k5 E: _>
/ E9 `, ]: U4 A+ o+ c) S* Y > - Ability to configure a power saving Sleep Mode in the Transmitter by
& q7 y+ j1 Z* t9 S. x > both software control and input hardware control.
$ L4 {5 ^. c- S H, w6 E* O* l>
( O" j1 I. ~5 y, h0 i( B8 l > In order to configure the units, we would need a way to make the
. }4 @; F/ B4 i/ n0 [' p7 _ > settings. This would preferably be from a computer terminal so that
, {- t1 |7 E( D' _$ q* ^% B! E D> configurations can be saved or easily duplicated for production volumes.
: O+ U; }( ]4 l% W > The units should be small and compact with shielding, and able to mount
, R# R0 J7 P# Q. V; N > to a printed circuit board with header connector.
6 {" L5 F7 U3 z' U! d7 Z >
/ l$ |1 C' }* R! V > At this time, we are interested in samples of a pair of modems that
7 U/ B) l6 A/ v > might be similar to this proposed system. We do not expect that you
, P# B3 N1 h$ | > provide all of these specifications at this time. I can describe our
; ?6 ^6 r3 K3 A' M4 }> immediate application needs in the next email if this project is of
! v0 F$ J, N3 X" g1 w( h& n > interest to you. Perhaps you can make the samples by those
e3 O/ _# E& k- H# t# z) Y6 w > specifications. This will allow us to test your radios before we move
: V/ C! f/ M* u > forward. We are interested in your 900MHz radio to start.
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