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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

: E6 |- ]5 t+ w5 j1 h- M0 o* K客户要求如下,如果哪家工厂可以做,请和我联系
& K4 E$ e2 q& J/ B" D( {. x > The application that we have in mind is similar to others that we commonly
6 G7 _3 Z( t6 R$ b> have. If we were to pay for FCC approval, we would want to use the modem
9 k8 b- N2 {" D > units in all similar applications under the same approval number.
" C/ a* E- [& c6 W+ P+ r. L8 _ > Therefore, we would like to be able to configure the units to a specific
' o( O7 {! J0 I> application. For the business that we do, this approach will yield more
" s% M4 f% c/ }! F! S0 g > sales based on the same product and approval. We are interested in the
Z% E k' o- j# d S# V8 {* \& ]( k > following specifications:
/ q, `2 y5 F I2 Y2 M>
* u) t# q) o$ L* Q, r) K+ v> - 2 inputs at the Transmitter with three possibilities;
7 I+ Y; t! L0 M! `) A; W> 2 analog
" n) E: H. W/ I( d8 f> 2 digital
8 R8 c! q7 g7 {3 U' L Z* i- m" c > 1 analog and 1 digital
2 O. M5 v0 r% f3 J>
. C( d% S1 `- h0 {# d > - 2 outputs at the Receiver with three possibilities to match inputs
$ H1 n" `9 N6 ~, x* N>
: T B7 x' S/ R > - Ability to configure/define analog Transmitter input ranges through
9 `* z& z$ z0 W8 p0 d7 ~, A > simple programming method to correspond with full-range analog Receiver
# q. T& d- N5 y8 |1 P2 { > outputs (0 - full voltage).
- X# h! R2 h6 E0 j, E7 ]. U>
5 Z% x* q- m! b" d" X" _> - Ability to configure and set sample rates for the inputs.
3 c0 v& K' k i- [. C' y>
# _1 G( I" l( v& R E, Q" `9 W> - Digital output on Transmitter that turns on during the sampling period.
. ~7 G/ U b3 x>
0 `: p, K% [+ }! Z6 S6 \# Y" n > - Ability to configure a power saving Sleep Mode in the Transmitter by
- l) U4 d3 g2 x9 C* t > both software control and input hardware control.
4 h/ k5 S& n, I `1 o >
$ w. e7 K3 b( k& R5 C' B8 j> In order to configure the units, we would need a way to make the
$ x+ J7 Y7 ~/ N7 H7 J> settings. This would preferably be from a computer terminal so that
* E; N5 S8 i- r& g1 J2 `/ @ > configurations can be saved or easily duplicated for production volumes.
* _5 V; I: k; C' T" P > The units should be small and compact with shielding, and able to mount
$ o3 E1 S: B: \/ Q > to a printed circuit board with header connector.
# [% C0 I& a7 e9 X3 a, E >
! r& N c# ^. z > At this time, we are interested in samples of a pair of modems that
( E* X; ]+ T) s S$ N> might be similar to this proposed system. We do not expect that you
/ P5 K& w. u; ]> provide all of these specifications at this time. I can describe our
4 J9 _, ]8 ]$ m> immediate application needs in the next email if this project is of
" {- ^- m, K* a3 P1 C > interest to you. Perhaps you can make the samples by those
0 ?$ j- c: \* ~- L, Q' | t > specifications. This will allow us to test your radios before we move
4 s" M2 \6 d# b% Q2 }0 t- _2 i > forward. We are interested in your 900MHz radio to start.
: E- r) S/ F. _3 q4 ]9 ^
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