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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

1 Z6 n; g L: G客户要求如下,如果哪家工厂可以做,请和我联系
+ Z& ^7 r. o* N > The application that we have in mind is similar to others that we commonly
( }4 v+ j3 w+ L: Y > have. If we were to pay for FCC approval, we would want to use the modem
8 m `9 B: N/ s9 X- @! c; U; A> units in all similar applications under the same approval number.
" W, w( g O# b > Therefore, we would like to be able to configure the units to a specific
) \( ^/ j# B. W4 R: P" a# i" U% {> application. For the business that we do, this approach will yield more
2 Z y4 |2 D! W: D5 R> sales based on the same product and approval. We are interested in the
, S% K5 K0 x8 i( Y# {> following specifications:
( n; r o7 ^" `/ A {>
% P3 M; v8 _% q4 f" ]1 M> - 2 inputs at the Transmitter with three possibilities;
, T# `0 i" o1 I& F+ M" t& X, t> 2 analog
9 R. \& K, n3 g> 2 digital
( \& S5 U6 k! ?$ O# |3 ^) { > 1 analog and 1 digital
0 A( c! e) d6 X# @! Q+ j# c1 m8 N>
; K( {: _! y; r8 S4 {( s> - 2 outputs at the Receiver with three possibilities to match inputs
8 d0 @4 `7 v8 R) [>
, m2 m8 g! y7 _; @* C> - Ability to configure/define analog Transmitter input ranges through
9 m {( |4 a" ^5 m# F7 {) E% _# x > simple programming method to correspond with full-range analog Receiver
8 x7 W0 \7 [1 F8 d( s c> outputs (0 - full voltage).
& Q" e6 H9 H+ b& e' D5 l >
3 }8 z9 P R. G+ U0 [> - Ability to configure and set sample rates for the inputs.
& a* h4 X) L' K4 E. [9 o6 n1 }5 u7 C >
8 @( j2 v! }0 J5 N/ {2 y" V; a > - Digital output on Transmitter that turns on during the sampling period.
$ I. y* }/ d0 L/ I( w>
. _) V2 N" m( W > - Ability to configure a power saving Sleep Mode in the Transmitter by
8 b' A9 g1 y1 r) t2 B0 u5 p> both software control and input hardware control.
% @( k c( Y9 J' O >
7 O1 C9 P; _/ @> In order to configure the units, we would need a way to make the
7 g! E. M! Z- r0 E1 I0 A. Q > settings. This would preferably be from a computer terminal so that
. p2 x' ]5 D7 A: _' j k > configurations can be saved or easily duplicated for production volumes.
# ~* [1 o8 A. j* c$ E > The units should be small and compact with shielding, and able to mount
8 ?- R. l9 f2 E9 T5 S> to a printed circuit board with header connector.
3 h6 _4 u! V& C>
- }' E9 k- e g$ _+ o& c> At this time, we are interested in samples of a pair of modems that
3 i# v- S. x% h2 z: V( ~ > might be similar to this proposed system. We do not expect that you
& k; l! B- B# | > provide all of these specifications at this time. I can describe our
% v/ A# @6 g- ]2 W3 v _# @+ C > immediate application needs in the next email if this project is of
( y4 B. M- r. R) c' \$ V1 i5 i> interest to you. Perhaps you can make the samples by those
9 h: ?( ~: r% K6 q8 w% S > specifications. This will allow us to test your radios before we move
$ T$ ^+ ~; [$ o- ~0 o- A > forward. We are interested in your 900MHz radio to start.
! X( s- j$ ~! s) C7 ^
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