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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

" v- K6 _$ X1 S 客户要求如下,如果哪家工厂可以做,请和我联系
. L) A7 K/ P: x% @" j Q4 O' _( H> The application that we have in mind is similar to others that we commonly
* U6 d% @ `, h! |" P% E& s* A > have. If we were to pay for FCC approval, we would want to use the modem
* [/ P0 i/ U$ k > units in all similar applications under the same approval number.
; O6 B9 S8 b5 c8 c/ X > Therefore, we would like to be able to configure the units to a specific
/ k4 D* p5 S0 A" w. W9 {7 s > application. For the business that we do, this approach will yield more
H( i4 @$ \4 W% \5 u1 s> sales based on the same product and approval. We are interested in the
1 ~9 O, o! |# a1 K/ G > following specifications:
$ o1 z2 j2 }& o2 r: B! ^" ? >
1 p" h! {* L, j. L: Z9 a- Y > - 2 inputs at the Transmitter with three possibilities;
2 ?8 z! N, E* C. G, U/ G> 2 analog
/ K6 a: f: O/ M5 d > 2 digital
G( v, L5 j8 p1 R- d& Z9 D: o > 1 analog and 1 digital
' U9 h6 ^8 {8 E+ X >
3 a9 O/ l- U6 y, l7 T) v0 Z > - 2 outputs at the Receiver with three possibilities to match inputs
! j+ a( j8 K, G4 E8 \* @+ \ M>
8 b% T9 T+ w: K* }# f0 B. T, ~ > - Ability to configure/define analog Transmitter input ranges through
. O" h9 X- R, K( l! w" n> simple programming method to correspond with full-range analog Receiver
0 w7 K1 S M$ k' V# q, ~4 x9 f1 w> outputs (0 - full voltage).
& X* p2 C. ~7 T2 P7 t>
/ N& W( \$ M/ _/ Q/ r > - Ability to configure and set sample rates for the inputs.
7 i# D3 n- R9 p/ ^' N' k/ P/ M >
# V2 m9 L/ ~ u& q8 D9 v> - Digital output on Transmitter that turns on during the sampling period.
. E1 N% z5 s" A4 l9 D>
1 Y4 V3 z* k8 y$ P2 [0 g> - Ability to configure a power saving Sleep Mode in the Transmitter by
& `, i. w* U/ \4 h+ f, a7 r> both software control and input hardware control.
& A! u* L; v) t" d" U3 W>
5 `2 `# \2 J5 W( f > In order to configure the units, we would need a way to make the
8 Y5 h, u# n; Q" x! V$ o > settings. This would preferably be from a computer terminal so that
1 V$ F! r) h( B5 {+ d > configurations can be saved or easily duplicated for production volumes.
, u: c# R/ {" g9 y) l- N > The units should be small and compact with shielding, and able to mount
. s# }+ E4 m3 a3 L > to a printed circuit board with header connector.
( v3 r% W+ L0 @' P( H >
$ l Z2 b0 r, _) Q; f> At this time, we are interested in samples of a pair of modems that
7 P& i+ O$ Z* {& e3 o; t > might be similar to this proposed system. We do not expect that you
5 {! e: f- }& {; [" O8 _> provide all of these specifications at this time. I can describe our
- r" o6 v$ J! _ > immediate application needs in the next email if this project is of
8 g. i* }0 _$ x' K) Z5 { > interest to you. Perhaps you can make the samples by those
$ c3 a* e5 ~0 r> specifications. This will allow us to test your radios before we move
: R; }/ q, S- g> forward. We are interested in your 900MHz radio to start.
+ K$ l. F; d6 H7 p& o `
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