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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

( h3 A8 G9 j' _' S 客户要求如下,如果哪家工厂可以做,请和我联系
7 \2 [/ k5 F7 `9 w3 h) } > The application that we have in mind is similar to others that we commonly
0 O7 U: V3 K: k, g& J( z> have. If we were to pay for FCC approval, we would want to use the modem
+ P: p/ x. @! Q- f$ J3 P* |; C> units in all similar applications under the same approval number.
" G# I, a6 G2 H7 N- {5 I> Therefore, we would like to be able to configure the units to a specific
J2 t' w% n. G- d, T- Z3 _9 [0 e1 w> application. For the business that we do, this approach will yield more
- G( U+ p' G* L2 V1 H' A- j: v b% X! f> sales based on the same product and approval. We are interested in the
$ |( d: s: S9 F9 u* [* q" W> following specifications:
$ t, p% D# k) k+ W' D! @7 s+ @ >
) D2 k; F2 Z. _4 f: o > - 2 inputs at the Transmitter with three possibilities;
( l* V' F. Z7 t8 K5 J> 2 analog
& {. A+ ?. G: Q% J9 } l > 2 digital
5 C7 @2 [* {( d- \> 1 analog and 1 digital
+ Q& W9 w: T3 R" d1 x5 a: v" |>
c+ O( o0 V9 t1 r( N8 e; c> - 2 outputs at the Receiver with three possibilities to match inputs
/ ^6 f# P3 s9 m8 V+ z5 \4 d# z >
U o5 |5 f* W) I2 y > - Ability to configure/define analog Transmitter input ranges through
3 }: E0 ]" Z, T0 J2 H& w > simple programming method to correspond with full-range analog Receiver
4 M# D s3 r7 I> outputs (0 - full voltage).
* i+ n: V+ S' N>
/ F: @6 s% j% R4 t! J) y* }> - Ability to configure and set sample rates for the inputs.
e- @2 L# k- w) y* y4 w>
) A K* d1 z% t' q( ~ N> - Digital output on Transmitter that turns on during the sampling period.
7 _/ L h3 g6 p& B1 @8 n+ ` >
$ _) ?3 R5 [; J- Y. U. r; T8 Q" b > - Ability to configure a power saving Sleep Mode in the Transmitter by
, ?6 x* p" k$ T$ o) y. |8 \" J> both software control and input hardware control.
! ]8 S1 d! R& e% z* u6 I* j >
& `( y- V) D0 @- V& F8 k > In order to configure the units, we would need a way to make the
8 J: f" \/ E- u P6 w) k > settings. This would preferably be from a computer terminal so that
# P( K1 n% h9 S& M0 s > configurations can be saved or easily duplicated for production volumes.
% g1 m$ l( k/ a3 b9 J3 V9 y4 |> The units should be small and compact with shielding, and able to mount
% A3 e+ s2 b7 t% v9 R > to a printed circuit board with header connector.
$ l8 z" L) k) M- _8 L, C3 Y/ Z( g >
' }" I8 G! B! s, T/ u> At this time, we are interested in samples of a pair of modems that
5 Q* W t+ H M" l% e, b > might be similar to this proposed system. We do not expect that you
) b$ _) x; E% J2 }> provide all of these specifications at this time. I can describe our
! A' Z9 [ R0 k> immediate application needs in the next email if this project is of
# d9 k- H5 R, T' B> interest to you. Perhaps you can make the samples by those
$ h- o$ L/ `" X> specifications. This will allow us to test your radios before we move
7 K* a$ H% C+ f4 X9 ]* b> forward. We are interested in your 900MHz radio to start.
1 f% P% s# S7 ~6 b
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