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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

5 B, j$ p# c3 Q4 u! N 客户要求如下,如果哪家工厂可以做,请和我联系
6 D$ M$ c2 O. g3 O. I7 @4 x8 H> The application that we have in mind is similar to others that we commonly
8 N" r; V4 r% c" H > have. If we were to pay for FCC approval, we would want to use the modem
, a5 J$ p r4 ?, S+ N> units in all similar applications under the same approval number.
/ q; E7 T# f: W, B d> Therefore, we would like to be able to configure the units to a specific
7 D2 ^- A1 Q" s/ Z- l% C2 N! V2 F! r > application. For the business that we do, this approach will yield more
& z' w" x- n% A4 K$ o+ L3 Z> sales based on the same product and approval. We are interested in the
+ s" {, {8 y4 z& Z% `$ X$ u > following specifications:
& _ I' O* a9 X K>
9 w/ R2 e4 ?: k! e) e5 c [ > - 2 inputs at the Transmitter with three possibilities;
3 n: e5 l. l1 g > 2 analog
" f5 L2 `# r" n7 v$ u> 2 digital
, T# D4 s. T) k# j% T7 I. Q4 A: t9 O> 1 analog and 1 digital
& q7 s* |: E+ s/ ~( c" F>
9 K; z. U( H* y! K1 q$ D- |6 u% Q> - 2 outputs at the Receiver with three possibilities to match inputs
( d6 @: u: i( z$ R/ t2 g>
. c L& |, }1 Z( Z6 o; M- }2 _ > - Ability to configure/define analog Transmitter input ranges through
* ?5 q- d6 J8 v8 z4 }! p> simple programming method to correspond with full-range analog Receiver
. S1 L4 `5 U* o' O > outputs (0 - full voltage).
5 p _. t% L/ M* V: u4 O >
% h, Y: R; j) T$ b9 s6 A( V0 Z> - Ability to configure and set sample rates for the inputs.
) h; O9 K; H! {* ~+ H0 g$ D2 d >
- H( G3 i6 J- d > - Digital output on Transmitter that turns on during the sampling period.
# O% j% g- I; a& ]9 q% V) b; g>
8 E: L! _9 K- [. U" a! Y9 J! } > - Ability to configure a power saving Sleep Mode in the Transmitter by
7 m I/ M9 ^& n% Q( e" d& K > both software control and input hardware control.
" _+ `8 }' v/ h" x) @) l: r% w9 U0 ]>
K+ h: ]" ~; h5 Z, t > In order to configure the units, we would need a way to make the
" i1 X3 ?/ E3 J0 h> settings. This would preferably be from a computer terminal so that
' z6 R* s% P9 M$ T, y > configurations can be saved or easily duplicated for production volumes.
$ W* L0 a" K! X0 s > The units should be small and compact with shielding, and able to mount
# \8 b: m2 X. q > to a printed circuit board with header connector.
1 M/ Y L; A; x) e >
+ _" B6 M4 w' ]$ \) X O) N > At this time, we are interested in samples of a pair of modems that
: d! Y9 `9 I/ n> might be similar to this proposed system. We do not expect that you
* Y3 b! Q/ z% ?( k( r' Y- A" S+ g > provide all of these specifications at this time. I can describe our
5 r2 c1 x3 V6 ^; O6 `$ }- J& f6 v+ g > immediate application needs in the next email if this project is of
1 E/ d% ^& ^; O8 V2 U9 a4 d> interest to you. Perhaps you can make the samples by those
/ `7 x6 D3 m2 i: e+ i> specifications. This will allow us to test your radios before we move
+ I8 q% b4 l6 B" f1 c > forward. We are interested in your 900MHz radio to start.
: e3 Q3 N0 [' l; W* s2 k
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