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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

/ D1 V1 m# g- R1 c/ t) b& Q8 J 客户要求如下,如果哪家工厂可以做,请和我联系
* B& y; o) t, z" [2 m$ o" H' n> The application that we have in mind is similar to others that we commonly
% J8 ?# q1 |6 w5 t" R5 T> have. If we were to pay for FCC approval, we would want to use the modem
0 ]% g+ [7 \4 [6 u8 @: G' {> units in all similar applications under the same approval number.
0 _$ i7 L; ^& Z D4 _3 r > Therefore, we would like to be able to configure the units to a specific
! s' @, z% G) c5 m) c: C3 |2 |5 W> application. For the business that we do, this approach will yield more
, c( R& b: J2 r" r$ I# n- B > sales based on the same product and approval. We are interested in the
! ~. O, i) Z: L1 I, u$ m> following specifications:
. S3 O& I U7 x! ~# Y1 n8 I+ n>
. v% l |1 `) b9 X > - 2 inputs at the Transmitter with three possibilities;
' G6 ]0 X8 o2 u3 d > 2 analog
3 s5 c$ K5 V. K9 }% E' I > 2 digital
' n7 M- m/ i4 t > 1 analog and 1 digital
' v j+ _; h8 s- s>
" ~ M6 V0 z% w8 w > - 2 outputs at the Receiver with three possibilities to match inputs
- f n8 \/ F! d) k( x>
" U3 U/ O. o) X* \; ^ c2 u% D> - Ability to configure/define analog Transmitter input ranges through
9 }- T3 N3 G) j0 Q( X2 j" ~1 J> simple programming method to correspond with full-range analog Receiver
9 R; k" Y3 L! d4 Z3 }3 H# |! Q> outputs (0 - full voltage).
, y& U( S7 b- \2 A1 v, s& A8 I>
( U! X- L- s M" W> - Ability to configure and set sample rates for the inputs.
9 H1 h+ U# g/ o# |5 X+ {3 E. T>
) O0 f3 q6 R. g, y D7 g( k > - Digital output on Transmitter that turns on during the sampling period.
( j9 G! X; c, \1 t >
8 r4 U v# ~/ c4 s* H> - Ability to configure a power saving Sleep Mode in the Transmitter by
% Y/ _! W' E* s( x. O> both software control and input hardware control.
* p4 {& R9 O. f8 ]9 ? h/ t>
; B% r" ^. r; b3 g% I! V> In order to configure the units, we would need a way to make the
4 |' |# Q% ^! C> settings. This would preferably be from a computer terminal so that
" x- i1 y( i4 }% ?+ B) A > configurations can be saved or easily duplicated for production volumes.
+ |" y: N, s% n: D* q > The units should be small and compact with shielding, and able to mount
; t. J( k1 K p0 n8 h W/ D/ K > to a printed circuit board with header connector.
+ l: ]9 j4 ^/ N! R& z! T >
4 w, i0 @$ t+ a3 `1 w' ~3 ]> At this time, we are interested in samples of a pair of modems that
3 Q7 h5 h5 N( Q" V6 t > might be similar to this proposed system. We do not expect that you
6 `5 p- ?2 f* E* P' y& u! E+ I) C2 i> provide all of these specifications at this time. I can describe our
' O/ o6 l! e7 n+ ]6 v; W> immediate application needs in the next email if this project is of
3 q7 r4 X3 F# F2 e > interest to you. Perhaps you can make the samples by those
' |' b& q- v* }0 U: h > specifications. This will allow us to test your radios before we move
1 k) k- Z8 ^9 L > forward. We are interested in your 900MHz radio to start.
( s1 x- x. ]0 u1 _' b, P6 ]) d
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