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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

+ X* d# K) H) M7 n% B0 r V2 g% u客户要求如下,如果哪家工厂可以做,请和我联系
) `6 G3 f3 D8 l$ s9 p7 d > The application that we have in mind is similar to others that we commonly
6 V5 b( p/ O# M7 ~" [$ d! ? e6 g> have. If we were to pay for FCC approval, we would want to use the modem
# K1 W3 z* `, c" B> units in all similar applications under the same approval number.
. k9 G: s: F/ }2 }: W> Therefore, we would like to be able to configure the units to a specific
v, |8 M }+ P5 U, C > application. For the business that we do, this approach will yield more
4 X4 A, @7 c! P$ t/ ^+ s& p> sales based on the same product and approval. We are interested in the
@9 q: ~* l% c1 H1 V$ E1 |' r6 [> following specifications:
/ u$ K2 H @, t5 R: Q+ w1 D >
# o; g) v0 I% ]( ~' C> - 2 inputs at the Transmitter with three possibilities;
! D& I$ @' P- y$ b% P; j > 2 analog
& Q3 l8 x. q$ X5 w& _ > 2 digital
( y$ e7 s+ T; q) C( x > 1 analog and 1 digital
f% @9 X2 G$ t7 t! k$ O>
- F7 t* v& @3 r5 [! I( U> - 2 outputs at the Receiver with three possibilities to match inputs
: }4 B0 b. u1 D: `/ b0 h! O! {/ K! _( Z>
. r5 R0 L' ]1 Q% P) P > - Ability to configure/define analog Transmitter input ranges through
* Q+ F& Z$ c" R1 l0 {% K( \% j# T> simple programming method to correspond with full-range analog Receiver
" d* z2 z" j1 e0 q6 F' r& k > outputs (0 - full voltage).
' \: `* I* C6 d4 w6 K2 b>
% F) i/ P4 U3 o0 ]0 _: n4 ?> - Ability to configure and set sample rates for the inputs.
* \& F+ t6 I& \# l" I >
$ k, W& y2 M: |> - Digital output on Transmitter that turns on during the sampling period.
# G! W% Z5 o( Y3 G d >
0 L! W# v$ r& U( i+ e* Y v > - Ability to configure a power saving Sleep Mode in the Transmitter by
. q9 w% ~9 O% r0 M8 I> both software control and input hardware control.
$ ~7 o) d0 L6 p! N" u8 {>
2 U- w" X9 F" j& P8 s4 ~$ g5 R> In order to configure the units, we would need a way to make the
$ `9 \* q3 Q1 q1 ?+ M) m# \% Y> settings. This would preferably be from a computer terminal so that
3 d) ?. Y" {( K' v1 ` ^> configurations can be saved or easily duplicated for production volumes.
& Q& f* ]0 B7 W) e& g9 Z4 E1 y > The units should be small and compact with shielding, and able to mount
- S/ w7 S! A% S; X2 n> to a printed circuit board with header connector.
9 S' C U( H/ b0 Y>
! K! I& t3 U6 P& S- r0 O' L > At this time, we are interested in samples of a pair of modems that
5 m/ N7 Q9 {" j1 S > might be similar to this proposed system. We do not expect that you
A' R+ F. a1 E > provide all of these specifications at this time. I can describe our
! m; a" M, _+ b R/ M9 v* B, a$ S; d > immediate application needs in the next email if this project is of
4 h( _9 U' U: Z& u& m > interest to you. Perhaps you can make the samples by those
1 |+ W9 L8 W9 u& ^5 p0 M7 Y> specifications. This will allow us to test your radios before we move
/ t, x5 z3 w2 M) O% ?. [) d( d9 x& o( r> forward. We are interested in your 900MHz radio to start.
/ A8 a1 j2 j1 c* R) E9 d
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