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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

3 l& B( P3 \. `6 l客户要求如下,如果哪家工厂可以做,请和我联系
T* u! x- F% x1 L0 f" P+ v > The application that we have in mind is similar to others that we commonly
5 V6 ?) g$ m3 V/ X% z' w > have. If we were to pay for FCC approval, we would want to use the modem
5 p) H* u- X( e9 l( G' x# P > units in all similar applications under the same approval number.
! f& A2 G5 _0 |5 f' v ]# e3 S> Therefore, we would like to be able to configure the units to a specific
; b6 F6 z2 H9 _) j9 I> application. For the business that we do, this approach will yield more
/ b. ?( l% K5 u/ R3 {7 r > sales based on the same product and approval. We are interested in the
4 p+ K) Q0 R2 ~0 `" D4 G X* R > following specifications:
7 Z$ ?1 }( W; j( B3 r( C+ C >
! I5 g! D. b- P8 P > - 2 inputs at the Transmitter with three possibilities;
$ c6 }0 j9 U& E7 q4 ~> 2 analog
5 n- p5 V' t1 [8 ^2 ?7 b> 2 digital
0 w |/ l6 T9 Y# h0 [& }& H" o> 1 analog and 1 digital
" j. h/ Y7 A, Z0 @, f+ A! R$ `>
" i6 {( F9 z) {+ W > - 2 outputs at the Receiver with three possibilities to match inputs
$ n0 i% F. `# J8 O4 p>
( @; R& t, \# X5 N Z/ _* J> - Ability to configure/define analog Transmitter input ranges through
/ @- V1 i1 w4 z# m0 d* d: D> simple programming method to correspond with full-range analog Receiver
& R: H v/ k6 V* Y2 R > outputs (0 - full voltage).
! e. E! }" s( p n" ]>
* s! N5 l0 s; T4 Z) W$ B: c. q8 z" Z > - Ability to configure and set sample rates for the inputs.
) D T) m! |/ b2 W, a8 }>
+ j& I3 a7 M0 [* T> - Digital output on Transmitter that turns on during the sampling period.
. Z! l/ N2 [+ Y>
7 Y @' J' B% e& G1 S > - Ability to configure a power saving Sleep Mode in the Transmitter by
: }7 b; j# l& s% k2 w: q( V# L6 H > both software control and input hardware control.
5 d- X W! X& `5 q$ h2 n- Y' _$ N >
) F, X) m7 N: g2 ]; _, [) e4 T# Q> In order to configure the units, we would need a way to make the
) K9 {5 X) C' ?) C `6 u4 G > settings. This would preferably be from a computer terminal so that
4 f5 e- u- R) M1 w/ } > configurations can be saved or easily duplicated for production volumes.
! G, o' G; x$ A# s7 y/ G> The units should be small and compact with shielding, and able to mount
/ w9 C" Z' @" {$ f) Y. a$ p > to a printed circuit board with header connector.
$ g8 M+ D+ `$ I* X l>
0 y" l3 u* E0 c1 [> At this time, we are interested in samples of a pair of modems that
3 c5 s$ W7 T! T# O* }* O > might be similar to this proposed system. We do not expect that you
; p, y/ @/ e2 c, [> provide all of these specifications at this time. I can describe our
2 r2 f& Y8 R4 T& o) d4 P* a$ ^* H > immediate application needs in the next email if this project is of
, G: o/ F, n+ ?$ n o> interest to you. Perhaps you can make the samples by those
& o f B% F5 J) E! u! a > specifications. This will allow us to test your radios before we move
/ K ?3 m+ i& C/ [3 \/ x> forward. We are interested in your 900MHz radio to start.
8 I1 y9 j7 ~. \- ?
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