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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

- P8 n: K* e) Z1 t4 I客户要求如下,如果哪家工厂可以做,请和我联系
& k$ h: U- i; O$ O0 D> The application that we have in mind is similar to others that we commonly
0 E" w; Y0 X- E> have. If we were to pay for FCC approval, we would want to use the modem
0 v2 [* O5 B$ ~4 s- `1 F5 K > units in all similar applications under the same approval number.
! R M& J- D- h2 b9 L4 M0 l > Therefore, we would like to be able to configure the units to a specific
: G% h. o! n! z& e S> application. For the business that we do, this approach will yield more
, s3 e+ M$ ^5 u; C > sales based on the same product and approval. We are interested in the
* N! d7 L& n5 h. V7 z > following specifications:
5 Q, g/ B( A& F5 c( I1 {9 e) f$ i >
J, c) P" ?& v# J > - 2 inputs at the Transmitter with three possibilities;
5 Z7 z9 t6 D. s- N. V0 R( F> 2 analog
- i; Q$ Y+ Z% D0 x+ w9 }> 2 digital
/ f+ x8 d0 |/ ]> 1 analog and 1 digital
E: t) O) g3 I>
3 K( K0 _3 k4 d, e+ C2 W- h> - 2 outputs at the Receiver with three possibilities to match inputs
# n8 [2 _. u# q; U2 I: y+ H2 g>
! Z4 U; r: g* f/ |4 [6 @2 D> - Ability to configure/define analog Transmitter input ranges through
( i0 p% m. k. s. q* R > simple programming method to correspond with full-range analog Receiver
9 w) O! z% A( N3 `> outputs (0 - full voltage).
# k+ V4 ]" K" K! ^ >
* ^0 p3 x) p4 p4 O# O; f8 L8 I > - Ability to configure and set sample rates for the inputs.
' ~, Y2 S/ q1 d& V>
, g- }) t! `$ p# Q2 T+ A4 @' p/ d' W > - Digital output on Transmitter that turns on during the sampling period.
4 T! u! U7 E2 \! s >
& U9 G2 U, y0 c) M7 o" j% [> - Ability to configure a power saving Sleep Mode in the Transmitter by
; Y3 Z4 i; ?, p5 t. Z+ Z6 A > both software control and input hardware control.
, {" m l/ O+ A>
3 E, ?; I) Y- \2 d D D5 F W> In order to configure the units, we would need a way to make the
; J+ |) G$ U. F2 m. y) m% J2 @ > settings. This would preferably be from a computer terminal so that
; A) A* T* G2 M8 x> configurations can be saved or easily duplicated for production volumes.
5 L) u! I3 W, M' J* G! V2 J > The units should be small and compact with shielding, and able to mount
/ y! g) j: V6 v* k9 w > to a printed circuit board with header connector.
& D2 B1 A0 }. u; J2 \. k7 o1 ^>
' }( B/ o- V6 G' W2 y4 e [2 J, M+ N> At this time, we are interested in samples of a pair of modems that
|+ \ h! |4 Q9 x; _ > might be similar to this proposed system. We do not expect that you
" Q$ d( `; [! X% H+ ? > provide all of these specifications at this time. I can describe our
: y& i; C, I$ J H+ p; _3 d1 U! K% Z > immediate application needs in the next email if this project is of
( }( E4 M( a5 m+ x- }$ } W a > interest to you. Perhaps you can make the samples by those
) Q$ v4 ^* \+ `2 L; W > specifications. This will allow us to test your radios before we move
* T( K/ a y5 c) O9 L5 @; E, {! ], N > forward. We are interested in your 900MHz radio to start.
|' G; u( @- i N0 J. l/ D
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