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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

# Y$ e6 U$ d3 _9 f6 Y8 n0 d1 t 客户要求如下,如果哪家工厂可以做,请和我联系
6 [7 t/ ]$ M5 B> The application that we have in mind is similar to others that we commonly
) P4 M- q: ^3 t; _2 B> have. If we were to pay for FCC approval, we would want to use the modem
4 w3 p7 ?* b A: M5 j% ^ > units in all similar applications under the same approval number.
& g5 M ?3 X" x. B" c* L> Therefore, we would like to be able to configure the units to a specific
4 E$ B( |* w: b8 `* V8 a0 [9 [' `- _> application. For the business that we do, this approach will yield more
. [) l1 O$ a- x$ |1 ^" |, D4 ? > sales based on the same product and approval. We are interested in the
4 X7 ?" H1 ]0 k) d4 f6 B+ k- U/ m > following specifications:
$ Z) h& A1 m% S6 t7 M W >
; z1 i5 J- X2 v8 s& Q6 l > - 2 inputs at the Transmitter with three possibilities;
" G+ r( ?8 o$ ~) I C7 H- H' o* h> 2 analog
: D. A: y" p/ K2 Z* v! Y> 2 digital
1 |9 F! V, |1 G5 o; @> 1 analog and 1 digital
$ Z( q8 m+ z/ D+ ?; f- n7 l* w$ z>
: h+ R' L } L > - 2 outputs at the Receiver with three possibilities to match inputs
& s6 l7 u6 o) d9 P i3 p( y: ~& n5 ^ >
/ V$ X- `( W; a. ]' L > - Ability to configure/define analog Transmitter input ranges through
+ q v, `" |& w$ H) h& l> simple programming method to correspond with full-range analog Receiver
' u# Y" w9 B% A. [% h > outputs (0 - full voltage).
& K& G- K( O3 o' w" Q+ I >
4 T; h- m, L* E4 A* Z/ d > - Ability to configure and set sample rates for the inputs.
' @: q, U5 @* U9 N/ x x>
/ _5 e% s5 P! L# M" B" m > - Digital output on Transmitter that turns on during the sampling period.
! l/ C/ U+ W' ~. O, H1 `. s/ n>
) E, G, q, o4 x E7 P$ b > - Ability to configure a power saving Sleep Mode in the Transmitter by
7 p! Y f n$ A- l> both software control and input hardware control.
! @) G5 i" K- E>
9 V7 H5 l, E9 H6 ^0 [ W > In order to configure the units, we would need a way to make the
2 N5 A& e0 @9 V; \7 ?* c2 D> settings. This would preferably be from a computer terminal so that
- h Q+ ]$ U2 V5 u8 O) f5 [8 p9 O > configurations can be saved or easily duplicated for production volumes.
4 f: {8 K* v+ F- [; g' j > The units should be small and compact with shielding, and able to mount
: u$ p( K# O* m$ m. X > to a printed circuit board with header connector.
8 ~$ B: C) Z; T3 \: Q3 S" ]>
; h5 m$ \7 C) ^2 m5 G: Y> At this time, we are interested in samples of a pair of modems that
/ m& K* \4 ~/ _3 e* q& N0 K > might be similar to this proposed system. We do not expect that you
~- K5 b- O, f# A4 e3 E> provide all of these specifications at this time. I can describe our
9 S1 ^1 P$ t3 y' e > immediate application needs in the next email if this project is of
& w0 M- H! [( X ~# {; p > interest to you. Perhaps you can make the samples by those
9 B, I) I }4 a# M' E! W > specifications. This will allow us to test your radios before we move
' H% V5 L" e4 V& W( t0 `9 B1 D) _" H> forward. We are interested in your 900MHz radio to start.
" @! O* ^7 x7 G$ e
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