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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

6 y" M) E& K% R3 p1 h 客户要求如下,如果哪家工厂可以做,请和我联系
8 X* O1 \- T: B; m> The application that we have in mind is similar to others that we commonly
; ~! F; N: D0 [4 e; Y9 R > have. If we were to pay for FCC approval, we would want to use the modem
1 d& b' z5 b8 p> units in all similar applications under the same approval number.
# `4 W) C3 c8 P# f4 M c) @- C> Therefore, we would like to be able to configure the units to a specific
w2 t' z7 O0 N% m& f9 f8 X > application. For the business that we do, this approach will yield more
+ v. S8 S2 Z- d% ~9 R4 W9 A2 J; {0 o> sales based on the same product and approval. We are interested in the
( v" J! u6 p! g8 T& t/ `( R, i( Q> following specifications:
1 d! c/ i) e- i8 @8 j/ w8 u# n7 Y>
/ |6 T ^8 Y; l5 ^* G- D9 b > - 2 inputs at the Transmitter with three possibilities;
; }. T" w3 @& X > 2 analog
- v1 a" }' X; {) X2 y. w: ~> 2 digital
5 h+ e+ v& [9 w. S" _9 V3 X6 f> 1 analog and 1 digital
( \: k* C; M" K >
/ d: T0 {, r/ H- a> - 2 outputs at the Receiver with three possibilities to match inputs
* G2 n; T" W Y2 H>
# F# Y \* a& |( \$ L* | > - Ability to configure/define analog Transmitter input ranges through
0 b' ^! j) W* ^# x- o' N0 a) R > simple programming method to correspond with full-range analog Receiver
4 U P" Q9 ^2 ?. k- y- O > outputs (0 - full voltage).
- Q( R9 t/ u2 m1 r >
* Y5 P6 V/ f$ ?: @ > - Ability to configure and set sample rates for the inputs.
( C* N% @3 m" C* c A& S7 j >
2 E' Y2 S! y2 L& {# _ > - Digital output on Transmitter that turns on during the sampling period.
- y9 F& c! l' q! r" _7 D>
' k% H- D% n2 b> - Ability to configure a power saving Sleep Mode in the Transmitter by
& o8 x$ G. f# E> both software control and input hardware control.
|$ O% g8 v/ K3 t>
) t W# T1 x9 v> In order to configure the units, we would need a way to make the
! u5 F+ s8 V/ r9 m( K# m) p1 _> settings. This would preferably be from a computer terminal so that
9 j0 ?: V0 g7 t( `8 ] > configurations can be saved or easily duplicated for production volumes.
- ]6 N* s( q5 k3 K9 m> The units should be small and compact with shielding, and able to mount
, Q/ |2 _( y. t" P> to a printed circuit board with header connector.
, {# C }( Y% g4 x>
: G. w$ s8 B$ B8 L > At this time, we are interested in samples of a pair of modems that
; E% a( G* i! c, `" m' @9 I J > might be similar to this proposed system. We do not expect that you
9 `6 g4 ~* C8 m- m {" o# Y. k v > provide all of these specifications at this time. I can describe our
0 E' T% \8 F2 W2 b4 F& J > immediate application needs in the next email if this project is of
! K/ w) A v: P9 t+ d* L6 C> interest to you. Perhaps you can make the samples by those
! @4 v( \. _. y> specifications. This will allow us to test your radios before we move
6 G/ @$ b' R& x7 Z2 x5 z > forward. We are interested in your 900MHz radio to start.
2 z9 N' _1 \6 H6 b: e7 [3 x2 ^
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