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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

4 _- P3 f0 T# v: ^& r8 q' L/ x) r$ W6 ` 客户要求如下,如果哪家工厂可以做,请和我联系
. V5 w2 H! F, L% ?> The application that we have in mind is similar to others that we commonly
" z% U; s/ a+ G; k > have. If we were to pay for FCC approval, we would want to use the modem
6 g; U. @* |9 w. i3 o> units in all similar applications under the same approval number.
' k4 w# W4 V2 t3 B$ o6 p > Therefore, we would like to be able to configure the units to a specific
) u4 E D' t7 m4 v0 S0 _3 Z > application. For the business that we do, this approach will yield more
8 J% @7 E' S6 c3 P> sales based on the same product and approval. We are interested in the
4 B8 w; e% {% O& E# u& [" u> following specifications:
& G u0 R0 P) F >
; b% T3 d) |! m# H# `> - 2 inputs at the Transmitter with three possibilities;
4 j; t# \" _( `0 ~* K> 2 analog
8 Z; t* O3 L' U) X2 @6 w1 k \7 }> 2 digital
, \* m6 L1 s: _% b# t/ ~$ K. q6 D > 1 analog and 1 digital
3 T! O- @8 Y) Q w) @ >
4 t: g, C0 Y# h' D$ l/ ^> - 2 outputs at the Receiver with three possibilities to match inputs
( q% i& w5 W2 K, Q1 c& j5 s>
! ?: x9 P, m# L > - Ability to configure/define analog Transmitter input ranges through
( a& k# c. |& O, Z: V1 E > simple programming method to correspond with full-range analog Receiver
, T- y" f! z4 _* F m> outputs (0 - full voltage).
! x3 `9 f8 l) G' d" e/ K8 P! G >
: ]9 ]7 z! W% O- J0 w > - Ability to configure and set sample rates for the inputs.
?- d! e3 @3 x3 p9 _5 S6 U4 ~& R1 e>
& N( S/ _: @ z5 _) I1 y, n) F > - Digital output on Transmitter that turns on during the sampling period.
6 l q0 f& ^* U, e: n* k>
; C; f+ {8 t2 }2 l! k* i+ e* ^ > - Ability to configure a power saving Sleep Mode in the Transmitter by
4 ^. e8 t0 m6 q5 Z" U; T* K% O> both software control and input hardware control.
$ i4 k8 O, w! g/ I' @>
7 }! m2 l% K2 q; [ > In order to configure the units, we would need a way to make the
) o: l; h/ r; U5 K> settings. This would preferably be from a computer terminal so that
# E' x6 t* \! @! n* A3 X > configurations can be saved or easily duplicated for production volumes.
1 n9 Z' B3 Y0 }. M9 O& j > The units should be small and compact with shielding, and able to mount
1 q; A3 d# ?0 _" h0 u' O8 { > to a printed circuit board with header connector.
1 p% \. ?0 k6 d% U6 n- y >
, S- w8 ] @- _> At this time, we are interested in samples of a pair of modems that
5 ~$ l1 c* H+ u > might be similar to this proposed system. We do not expect that you
1 Z# q) N! V, y, Z3 s% a+ q > provide all of these specifications at this time. I can describe our
/ Y% ?8 I& F+ e: r > immediate application needs in the next email if this project is of
) E- e- E- F; _+ N, U6 a> interest to you. Perhaps you can make the samples by those
! L( m; A5 k% k% s1 P5 d. A> specifications. This will allow us to test your radios before we move
, P3 I' h2 u! P2 M > forward. We are interested in your 900MHz radio to start.
u5 g; x/ x9 ?* q% |' d& O0 N
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