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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

7 l* R+ v. A1 h3 _+ U! b/ M; o e0 m 客户要求如下,如果哪家工厂可以做,请和我联系
& e3 r' f; b% X0 b& e. B > The application that we have in mind is similar to others that we commonly
4 s8 t0 i7 C7 ?" a( b0 w& ^> have. If we were to pay for FCC approval, we would want to use the modem
# Q' V! ^9 @. o( _$ p. w) q > units in all similar applications under the same approval number.
8 S4 {8 ?( ?0 ^1 I) e2 p. e > Therefore, we would like to be able to configure the units to a specific
1 M# Y# s& S6 _$ o% V2 e" Q> application. For the business that we do, this approach will yield more
( h; g* l9 ]2 s( [# L> sales based on the same product and approval. We are interested in the
2 G; o' _. X0 q7 j9 h > following specifications:
/ U1 T' v4 ~) l, z- O3 X>
7 c- ?7 z1 y8 }/ r > - 2 inputs at the Transmitter with three possibilities;
( {2 I: L0 E# E+ ]2 M> 2 analog
& J0 Z8 D' H9 Y. o7 J( W# g3 m> 2 digital
/ Y+ h4 c1 H( U, l* Q, ]7 A > 1 analog and 1 digital
% V. ?1 e9 |$ x% L>
' S2 [) ?6 z8 H5 d) _/ V& T> - 2 outputs at the Receiver with three possibilities to match inputs
( P% W; B) Q1 u7 w: H0 }>
. P' ^$ m. C$ l2 M" N) F2 B/ `> - Ability to configure/define analog Transmitter input ranges through
# B3 v" U2 s( r6 X> simple programming method to correspond with full-range analog Receiver
6 u# ^+ @6 N8 ]% i' I> outputs (0 - full voltage).
& z( y) i5 y, M) H8 e$ j E>
2 ]/ U6 I% l. U0 `9 ?> - Ability to configure and set sample rates for the inputs.
% W0 p% x% z# [5 X5 r$ f8 M >
. u) I2 f5 e# F0 Y8 l6 f+ g5 Z > - Digital output on Transmitter that turns on during the sampling period.
H o; Z0 {* s6 V6 F$ K>
! z8 t4 M6 {2 c( o+ C t. d, s4 e$ V; }> - Ability to configure a power saving Sleep Mode in the Transmitter by
( R3 u$ I" s( i+ y X5 R4 G) z0 d! C > both software control and input hardware control.
7 I( g. l$ }7 u: V+ | >
( @* y/ }! V( o/ l* F2 v' m > In order to configure the units, we would need a way to make the
3 |3 t6 k3 b: v2 E> settings. This would preferably be from a computer terminal so that
( i$ B" |6 f n q> configurations can be saved or easily duplicated for production volumes.
5 x0 R+ V; c! _) l6 C3 I' A7 a> The units should be small and compact with shielding, and able to mount
& L$ C- b- N* V> to a printed circuit board with header connector.
m" g/ _3 I- y' `5 A: G>
! }, e* m. m- V* n) @# c3 j+ H) t > At this time, we are interested in samples of a pair of modems that
! y) w+ s% _: m e+ z( U4 g" K > might be similar to this proposed system. We do not expect that you
5 a+ W; _; D' X+ Z* O> provide all of these specifications at this time. I can describe our
4 K q: b5 b% ]- i > immediate application needs in the next email if this project is of
o1 ]0 |/ H$ P9 L0 e' ] > interest to you. Perhaps you can make the samples by those
) A8 Q9 X2 N7 b6 y& Q1 x0 _6 i- [3 Y > specifications. This will allow us to test your radios before we move
# G$ Q, k+ V( w) G > forward. We are interested in your 900MHz radio to start.
* @7 B2 s' w" u: B8 S' ^$ f
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