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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 x3 P& o, S" @% }" I 客户要求如下,如果哪家工厂可以做,请和我联系
5 i" c6 ?6 r8 y, r. K > The application that we have in mind is similar to others that we commonly
) A7 ^0 c, \, ~4 ] > have. If we were to pay for FCC approval, we would want to use the modem
z0 D* k# p V0 v) {> units in all similar applications under the same approval number.
( \) t: M( z' x8 N: u1 i) M > Therefore, we would like to be able to configure the units to a specific
, r5 b2 U/ D2 Y2 M+ B+ ?' a3 ` > application. For the business that we do, this approach will yield more
" Z. k( Z" _/ ]5 S/ A( c > sales based on the same product and approval. We are interested in the
, @' N0 G4 q5 x/ D# K9 v; Q> following specifications:
& Y e/ F5 b( U0 K @ >
, O1 ^3 f6 {. W) i; I> - 2 inputs at the Transmitter with three possibilities;
7 H2 ?5 X- F, R/ K2 ^" p > 2 analog
! o u0 E3 r2 X1 o; c > 2 digital
. Q/ E, W* C# G$ w0 N- r > 1 analog and 1 digital
% V( _! T" W" Q; u/ \- }>
* n' x5 m& X! R6 K4 b8 O# g2 ]; O > - 2 outputs at the Receiver with three possibilities to match inputs
/ `2 H! _5 a1 [7 S& Z% m6 O >
; V* F0 o' F' p5 N > - Ability to configure/define analog Transmitter input ranges through
- X9 I, B( |) q > simple programming method to correspond with full-range analog Receiver
. n( U$ i9 C. w' J. I> outputs (0 - full voltage).
; r+ k8 Q; I* H: z6 e>
/ ^2 B+ W( {* ~7 z/ z0 P > - Ability to configure and set sample rates for the inputs.
0 q3 Q% B! n8 {& d* D >
! }. e2 Y, k) K9 u \' z> - Digital output on Transmitter that turns on during the sampling period.
& E1 z+ A- a6 \5 N2 N8 m >
' ^1 A- f8 n1 ~$ p0 Z> - Ability to configure a power saving Sleep Mode in the Transmitter by
8 j& {5 ~; a( Y9 n> both software control and input hardware control.
# b" s k+ m4 d0 f5 B3 w7 _ >
9 z3 C' v: J8 J6 ?( \ > In order to configure the units, we would need a way to make the
! M7 N4 T; I4 p4 [/ u c2 h7 m > settings. This would preferably be from a computer terminal so that
- f4 j( {1 w" E3 n, Q > configurations can be saved or easily duplicated for production volumes.
+ h X) G5 z3 x s8 L> The units should be small and compact with shielding, and able to mount
' M9 j/ z0 k9 M3 M+ f1 R > to a printed circuit board with header connector.
, n5 n- x5 I. A2 P* t1 {% K >
0 M2 ^- K5 f$ B% p: ]8 ^) ~ > At this time, we are interested in samples of a pair of modems that
+ Y1 l1 r) E+ s# w8 H > might be similar to this proposed system. We do not expect that you
! k. S/ ~$ ]- H W> provide all of these specifications at this time. I can describe our
9 G' t1 ^0 {9 W+ a- d > immediate application needs in the next email if this project is of
# k' i0 E8 W! ^4 i. C! s, y. F/ d> interest to you. Perhaps you can make the samples by those
9 d4 t1 I. a/ Y" T& }> specifications. This will allow us to test your radios before we move
8 m+ `& d6 R0 ~4 `0 O& x% B > forward. We are interested in your 900MHz radio to start.
1 ?! T8 a, ~6 X& P$ U1 O, k
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