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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

( L; U$ a* z! [, j 客户要求如下,如果哪家工厂可以做,请和我联系
2 `9 s9 k6 ?; v! q5 r9 B; k( v> The application that we have in mind is similar to others that we commonly
! Y( [" x' k3 b' H! t' b > have. If we were to pay for FCC approval, we would want to use the modem
3 a6 {+ N4 [! R> units in all similar applications under the same approval number.
% I; y& w& t8 M! O! i& Q- M4 I3 I> Therefore, we would like to be able to configure the units to a specific
8 s6 _; J1 E& [8 h4 R > application. For the business that we do, this approach will yield more
% o* x+ G7 \: f- B% M$ p- w > sales based on the same product and approval. We are interested in the
0 [6 `4 z; @4 R5 H% I* L5 K/ }> following specifications:
4 A7 K# z( m/ g5 ^ j C >
! f; ]! Y1 q3 c$ y> - 2 inputs at the Transmitter with three possibilities;
7 f# _" y, F4 G$ C/ p1 Z > 2 analog
! j7 `. d$ D6 g; `( s) q: Q! K0 {> 2 digital
9 l& K3 C: H, }' z7 w" U# @6 A > 1 analog and 1 digital
' r5 f2 t b/ c1 q >
$ j5 o6 R% M0 K> - 2 outputs at the Receiver with three possibilities to match inputs
9 Q0 k8 K) h7 \' S0 J>
. M2 p6 g+ r+ M) x5 f" ] > - Ability to configure/define analog Transmitter input ranges through
6 P) E8 A `+ n, N" B6 o8 Y> simple programming method to correspond with full-range analog Receiver
: m( u2 m$ }, h) }) T9 J > outputs (0 - full voltage).
9 I6 U& w; I+ D4 t; B9 @ >
) o# \: L5 _, m$ N > - Ability to configure and set sample rates for the inputs.
1 K$ W2 J! z4 y& \; b>
& p0 T& W; U4 H @6 _/ x/ N> - Digital output on Transmitter that turns on during the sampling period.
) D B# e9 M( C% k9 F+ H >
, u2 H9 h- ^7 V- E> - Ability to configure a power saving Sleep Mode in the Transmitter by
9 ?/ x( d- }+ _: O. f7 \" G' a> both software control and input hardware control.
" k% H& a# }# ~" T; x$ ^ >
1 ~7 i3 Q$ A4 |' f" j5 K2 s> In order to configure the units, we would need a way to make the
$ P7 S( u% |; Y: y> settings. This would preferably be from a computer terminal so that
* Q' m3 `1 q1 R' }; x> configurations can be saved or easily duplicated for production volumes.
* W) O( `3 j }& W > The units should be small and compact with shielding, and able to mount
1 C4 s: F; c2 P7 e& p! c1 m9 K > to a printed circuit board with header connector.
5 P: w+ L! n$ K+ Z* A>
% @: C5 X& j0 V: F > At this time, we are interested in samples of a pair of modems that
! b+ ^, q; T( r; z* R+ e; ]# S > might be similar to this proposed system. We do not expect that you
3 @) Z0 z& w* B > provide all of these specifications at this time. I can describe our
) V5 W- h- ^5 w > immediate application needs in the next email if this project is of
# ^+ K. ~2 [0 w- x f! m* Q3 e> interest to you. Perhaps you can make the samples by those
9 o+ E; X. M1 A: ^/ R0 R% p/ N3 Z> specifications. This will allow us to test your radios before we move
1 B& {/ ^* W! r7 d& L4 V2 s > forward. We are interested in your 900MHz radio to start.
9 `& Q2 V$ A- H2 a$ ?8 c
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