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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

0 T$ r: n( V* t7 V, e5 W8 w+ u 客户要求如下,如果哪家工厂可以做,请和我联系
7 x8 N7 u/ k \/ A> The application that we have in mind is similar to others that we commonly
3 u3 J6 z, b4 V$ I# I/ S > have. If we were to pay for FCC approval, we would want to use the modem
2 o j. O% H7 l' y > units in all similar applications under the same approval number.
) e# H! @" I7 o U > Therefore, we would like to be able to configure the units to a specific
0 R* Q2 Z% Y2 I, c6 z8 @& { > application. For the business that we do, this approach will yield more
8 l1 C0 {$ _- Q$ ]. q> sales based on the same product and approval. We are interested in the
- S s# q, u: U" S> following specifications:
j, \9 p' C( q( }- U8 K! N9 J5 N' \0 b >
' n" k0 b. W# \% ^" F> - 2 inputs at the Transmitter with three possibilities;
% y4 F+ z4 W; q2 I ^$ U& P; K1 K > 2 analog
+ J1 ], }5 W: t2 ^( A> 2 digital
! B( `( ~" C* j > 1 analog and 1 digital
8 ]: y& M) C8 i3 ] >
$ N* a2 U" X9 |5 H > - 2 outputs at the Receiver with three possibilities to match inputs
4 g% n; i" S# P( G' A>
9 o5 ^0 D: g, a1 P> - Ability to configure/define analog Transmitter input ranges through
. U: {, y; N" A& v> simple programming method to correspond with full-range analog Receiver
& X- q& S7 r' T4 Z$ m6 s> outputs (0 - full voltage).
7 Q2 W' |( L/ g( u! T>
( h. ]) R h: g3 \9 s* y7 Q% { > - Ability to configure and set sample rates for the inputs.
0 c4 r. o5 I. u" a, D' z >
0 U% \0 }% u% R6 b3 y > - Digital output on Transmitter that turns on during the sampling period.
3 H+ M" }- L7 V I( L: a >
( J" C- q3 E: c y> - Ability to configure a power saving Sleep Mode in the Transmitter by
C) u' H. {% A( h/ k* P$ m g > both software control and input hardware control.
' V6 N; `( |. G0 i2 g( E- ^>
6 ~ D3 V" n3 H0 o, e > In order to configure the units, we would need a way to make the
9 C E- \" Y4 d [ > settings. This would preferably be from a computer terminal so that
+ z3 e* @4 i! i& C> configurations can be saved or easily duplicated for production volumes.
; d& ^9 w) g7 o> The units should be small and compact with shielding, and able to mount
6 U* c& r# [% r3 k ? > to a printed circuit board with header connector.
7 [8 b# E. y; p; D1 D3 e3 j9 Y" I >
e7 l8 d$ j7 @& {* \ > At this time, we are interested in samples of a pair of modems that
6 v% f$ T( U+ e! f k% U> might be similar to this proposed system. We do not expect that you
! G c2 ]$ V% I; b> provide all of these specifications at this time. I can describe our
$ A2 Q7 N4 }3 G: K > immediate application needs in the next email if this project is of
& `0 g: T! l# Y3 n6 ] > interest to you. Perhaps you can make the samples by those
" ?2 p' k2 X( ]4 }- M > specifications. This will allow us to test your radios before we move
- k3 F( X' O+ P& r0 [$ e- k > forward. We are interested in your 900MHz radio to start.
8 w$ m. O4 W1 o2 i/ X% A
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