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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

: N' N) t3 x$ i" o客户要求如下,如果哪家工厂可以做,请和我联系
" P% U9 }4 J8 u4 g > The application that we have in mind is similar to others that we commonly
5 a- ?; ^6 G" z' G0 K" ?2 L > have. If we were to pay for FCC approval, we would want to use the modem
0 J( L5 b) ]) ]2 H > units in all similar applications under the same approval number.
1 {& w( Q4 X8 v4 p- B4 W > Therefore, we would like to be able to configure the units to a specific
6 O, \! S8 W0 ]: D> application. For the business that we do, this approach will yield more
' r& q1 p% m$ p> sales based on the same product and approval. We are interested in the
! Q# y: H2 G, L7 g2 J" ` > following specifications:
* T% W& x8 ^3 ~5 E4 K; `>
0 v! l% [- }9 w( \3 J- a) t> - 2 inputs at the Transmitter with three possibilities;
7 h2 [$ M3 O1 J2 }- e9 _- R* o > 2 analog
3 o# _' S4 m) W1 `& O [> 2 digital
% J. F% v9 n8 ]; l$ G0 Q; [ > 1 analog and 1 digital
; C- S- y8 r2 G+ s% Q' S >
" E+ p9 x7 n4 n* C > - 2 outputs at the Receiver with three possibilities to match inputs
. J, H/ d" E5 A>
7 o! o" @/ c4 }, u1 [0 s9 d. H > - Ability to configure/define analog Transmitter input ranges through
1 `# R# c+ `+ D: X) o > simple programming method to correspond with full-range analog Receiver
6 n6 Y/ d" P7 G4 C" ]. J > outputs (0 - full voltage).
& d+ T r1 H2 v6 G( Q>
/ H; A Z6 |7 K& ], J0 |> - Ability to configure and set sample rates for the inputs.
, ~5 Y# g: i* F) J) t, R >
, y0 M) ?0 i8 c7 K> - Digital output on Transmitter that turns on during the sampling period.
2 i9 \# t, e8 `+ q+ {/ h5 q6 e>
7 K6 ?* Q9 H+ r/ r# b; u> - Ability to configure a power saving Sleep Mode in the Transmitter by
1 l1 `! ~; i3 F> both software control and input hardware control.
* x4 ] D2 ?$ r& l >
/ O0 ~6 Z& W% R > In order to configure the units, we would need a way to make the
6 H" ~ G$ R0 M, e > settings. This would preferably be from a computer terminal so that
. T3 R4 O6 { q( c \5 g> configurations can be saved or easily duplicated for production volumes.
4 Q+ h |- I' [; k- H% L0 X& U; n- K > The units should be small and compact with shielding, and able to mount
) P$ z3 U! G, B& }& ]# q5 | > to a printed circuit board with header connector.
( q9 R, l& n6 ~( Q9 k$ v>
& @ w% e: w& ] p% ~ j> At this time, we are interested in samples of a pair of modems that
& o7 h8 _; p4 H( c5 ~5 l X > might be similar to this proposed system. We do not expect that you
$ Q& y) q* k' E3 u3 K > provide all of these specifications at this time. I can describe our
" W" ^, p$ D! M( b, _6 [( t) Y, Z* ~+ V> immediate application needs in the next email if this project is of
, }/ }+ m" W# L/ ^> interest to you. Perhaps you can make the samples by those
' B) S6 l" l+ m( g/ d> specifications. This will allow us to test your radios before we move
) C$ |) [8 t, f1 Q* V> forward. We are interested in your 900MHz radio to start.
5 k, ?) g9 |+ U7 h
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