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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

: x A6 q/ j: Y. r3 b9 R客户要求如下,如果哪家工厂可以做,请和我联系
+ D% _: ~3 h! Y) i5 N0 |) D$ r > The application that we have in mind is similar to others that we commonly
. i* h H2 c' K/ s$ o> have. If we were to pay for FCC approval, we would want to use the modem
, u0 L. T2 ~% |0 y5 L> units in all similar applications under the same approval number.
4 p% x3 b7 r& {# w> Therefore, we would like to be able to configure the units to a specific
; s* T% @: F* X; i > application. For the business that we do, this approach will yield more
n% C7 u' B0 y4 D> sales based on the same product and approval. We are interested in the
: U$ f4 r( w. T" G5 u > following specifications:
0 H$ V! \+ p& _. v& q>
+ C+ x* \- N; q. h) w/ B > - 2 inputs at the Transmitter with three possibilities;
. E; i3 H6 l- B > 2 analog
1 m+ Y) ]. F( X f> 2 digital
' \6 Q; f ?) z. Y X9 A# M i> 1 analog and 1 digital
9 Q4 o$ L9 u) r) N>
' q: O. M( Y8 a/ [: m6 f1 j2 I> - 2 outputs at the Receiver with three possibilities to match inputs
2 l3 Q- x1 m( z1 W h7 E >
# c% A- _! A x1 p( q > - Ability to configure/define analog Transmitter input ranges through
" ]! j6 D& V" r/ s > simple programming method to correspond with full-range analog Receiver
! N* s d% H: H+ ]5 p> outputs (0 - full voltage).
" I, \4 z$ b4 H. K0 d >
$ c9 F# E. N0 E" W9 D > - Ability to configure and set sample rates for the inputs.
. R) i. V6 o- f5 e2 X, d >
! |, S8 |1 {$ J' Z5 ` > - Digital output on Transmitter that turns on during the sampling period.
: w: |, g: k. m' l>
1 r2 B- ^ c: w+ N: c4 C> - Ability to configure a power saving Sleep Mode in the Transmitter by
: r, P: F* a6 z, n; A6 E' F> both software control and input hardware control.
/ R9 E" ^1 A" O/ e' h- J6 y% J >
, i% B# ^1 E# g% ^: w/ L$ n> In order to configure the units, we would need a way to make the
0 g) ^+ D$ z a: p2 w> settings. This would preferably be from a computer terminal so that
, K! B* n6 O+ c# ]6 B* B+ I > configurations can be saved or easily duplicated for production volumes.
& y0 A$ F9 L$ g6 n > The units should be small and compact with shielding, and able to mount
4 N+ K$ V; F% H- h5 A, t' ~9 O > to a printed circuit board with header connector.
9 I1 p8 [9 F- k2 b2 |/ w >
, [# j' \2 Q+ f' W > At this time, we are interested in samples of a pair of modems that
. i; `! D, a; n+ q2 N> might be similar to this proposed system. We do not expect that you
1 x' i/ c x( E. z- [5 B> provide all of these specifications at this time. I can describe our
! L0 l$ j2 ?# c9 v > immediate application needs in the next email if this project is of
" c- c& d, X. {, H" }4 t0 g> interest to you. Perhaps you can make the samples by those
4 {1 F( a6 b" q5 s > specifications. This will allow us to test your radios before we move
& e1 h' Q7 @+ ^8 P$ H1 c8 t0 X( {> forward. We are interested in your 900MHz radio to start.
; P! k( L, g! B" b, z3 B! }+ N
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