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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

. _ I4 d" l; k客户要求如下,如果哪家工厂可以做,请和我联系
- L% x) Y! l5 Q# P' D > The application that we have in mind is similar to others that we commonly
8 o$ V* v6 c0 [1 X7 P3 L. C7 x> have. If we were to pay for FCC approval, we would want to use the modem
7 b2 i! _9 U+ c* V > units in all similar applications under the same approval number.
( x" ]" n4 ^! D" D1 U+ L; H > Therefore, we would like to be able to configure the units to a specific
1 g" K- `4 B; x' C% f5 c | > application. For the business that we do, this approach will yield more
4 l* J: Z1 }. Q/ Y, v& k2 G" K: r> sales based on the same product and approval. We are interested in the
( w( Z/ E, l% Z2 N> following specifications:
* E* H5 A! l' i( v* h, y i5 j3 C: b>
8 w- a, J( d" ]0 ]- I6 e > - 2 inputs at the Transmitter with three possibilities;
- Z6 S3 g3 U. y# b& G# L1 w> 2 analog
; o; |& v1 u; a9 ~& X > 2 digital
4 N5 r5 {! }" D0 [) X > 1 analog and 1 digital
7 w0 E$ M5 T% @' R& D>
0 ~. c) }' g3 W% u, L5 Q- G, `+ y > - 2 outputs at the Receiver with three possibilities to match inputs
' q+ I8 y8 u: T1 i. R>
" M: q: ]& m( A > - Ability to configure/define analog Transmitter input ranges through
/ K" D: X* d/ m) P> simple programming method to correspond with full-range analog Receiver
+ n& J' O v g& {6 L7 W' G$ h> outputs (0 - full voltage).
' M! l* C7 R8 M >
5 P |2 I, Z! {8 c2 }- n> - Ability to configure and set sample rates for the inputs.
( X1 h6 Q% }4 ]) \4 x) g0 H>
0 U$ m5 n' v, L. q2 d" E> - Digital output on Transmitter that turns on during the sampling period.
. k, c8 q3 b' U& `2 o% H& ^>
3 O# X3 O$ y6 w( z > - Ability to configure a power saving Sleep Mode in the Transmitter by
6 p r3 y9 }' l > both software control and input hardware control.
# P0 F. `6 `4 k+ i2 T6 K>
( d4 b* a+ V$ ^! Y" F9 P > In order to configure the units, we would need a way to make the
) l- S% f) A! W > settings. This would preferably be from a computer terminal so that
. K0 ^. J' \" u% b6 k8 Z> configurations can be saved or easily duplicated for production volumes.
( {* ~5 l( ]+ q4 ? f> The units should be small and compact with shielding, and able to mount
+ j l! d) r4 B! |> to a printed circuit board with header connector.
3 A) a; E( p( f6 i5 f) c >
% e" h( z6 g y' ^( [) U1 x! W% C > At this time, we are interested in samples of a pair of modems that
+ x5 A$ k. r1 f' V9 @' a" t4 l> might be similar to this proposed system. We do not expect that you
' E4 c% A$ l3 W/ i2 L/ }( Q > provide all of these specifications at this time. I can describe our
5 [# N# ~4 R8 T7 q6 }2 S( ^6 L> immediate application needs in the next email if this project is of
; P0 h1 ~. u: k7 A0 K, C > interest to you. Perhaps you can make the samples by those
* J# Y2 [; Q( r( d > specifications. This will allow us to test your radios before we move
- O' h! Z, c9 o0 @ > forward. We are interested in your 900MHz radio to start.
) w, t& J8 W5 ^/ c0 d9 H
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