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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

* n; O& i( \4 Z2 N. Z客户要求如下,如果哪家工厂可以做,请和我联系
2 c+ ?( j5 Q! G- e' g3 x& W > The application that we have in mind is similar to others that we commonly
1 Y k! m: P5 d; Z- s> have. If we were to pay for FCC approval, we would want to use the modem
) _( T+ k" ~/ r4 J5 F> units in all similar applications under the same approval number.
8 f+ Y- \/ q! r# z" A# A, b> Therefore, we would like to be able to configure the units to a specific
w( D* y# z# r8 E- W5 j( N9 x> application. For the business that we do, this approach will yield more
6 F" w- H& q+ H$ k. [ q: F# x& p > sales based on the same product and approval. We are interested in the
, }7 J, q$ M, M> following specifications:
; [* v+ R1 w' Q) V) a. c >
/ k+ h. m, V# r A/ Z > - 2 inputs at the Transmitter with three possibilities;
# |/ F5 {% e" k2 N( z, Y> 2 analog
+ X7 k7 a6 s, ~* U > 2 digital
$ M# Z$ a+ T5 [ H$ ?- j > 1 analog and 1 digital
' E k) Y+ j- X3 O0 d>
* C& y3 N3 V. X/ ]' w$ }> - 2 outputs at the Receiver with three possibilities to match inputs
" V) H) c# x+ Z: O >
f) [2 q- S+ B- y* `1 B> - Ability to configure/define analog Transmitter input ranges through
2 S$ ]/ W' B/ w# \ > simple programming method to correspond with full-range analog Receiver
, X/ r- x# A/ y8 N& G* p0 { > outputs (0 - full voltage).
}0 I' d y2 b>
* n. k: Q. T+ y1 n2 f) I; f" n> - Ability to configure and set sample rates for the inputs.
* {$ X3 ?8 u6 d( L# N >
- H- T3 k- W* f > - Digital output on Transmitter that turns on during the sampling period.
- R6 r. x5 |$ x >
6 ?) ~; d. h+ Y( s2 U6 R" @ > - Ability to configure a power saving Sleep Mode in the Transmitter by
2 k9 f( |6 \- E) b& ^8 u: c> both software control and input hardware control.
* P9 Y2 ]6 c$ Q>
: A. [- a2 @. _ a7 K> In order to configure the units, we would need a way to make the
/ v# a7 Q. A: W5 f8 V M> settings. This would preferably be from a computer terminal so that
' u' m: q1 J) k- c. l& U > configurations can be saved or easily duplicated for production volumes.
! L, B1 W ?+ k> The units should be small and compact with shielding, and able to mount
+ R1 Z2 L" [) B> to a printed circuit board with header connector.
7 ^, z$ S- A% c >
% h- x* S& {) ?' l+ V4 r3 S9 z > At this time, we are interested in samples of a pair of modems that
' F- R. `+ }: Z6 h" x> might be similar to this proposed system. We do not expect that you
! |4 E2 I U$ P: f' O> provide all of these specifications at this time. I can describe our
. A' x, I! |" T+ ` > immediate application needs in the next email if this project is of
4 h/ y/ z" K8 B) G > interest to you. Perhaps you can make the samples by those
! o/ f' j) u. m% a& b > specifications. This will allow us to test your radios before we move
+ ]% P( j* ^6 _: H1 M > forward. We are interested in your 900MHz radio to start.
; N5 B% t% [1 q9 D4 ?
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