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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

! P/ b7 j R2 l {7 r 客户要求如下,如果哪家工厂可以做,请和我联系
5 i$ o8 {% _4 f+ d. j > The application that we have in mind is similar to others that we commonly
5 z8 h& O# E# @! u. F) N& L" S > have. If we were to pay for FCC approval, we would want to use the modem
# L1 r! b- @5 q4 L1 V> units in all similar applications under the same approval number.
# z6 G0 ^0 [: ]9 ` > Therefore, we would like to be able to configure the units to a specific
4 O/ A% M, v& Y4 R: r8 z > application. For the business that we do, this approach will yield more
6 U3 a$ @6 P6 T1 E1 ^0 P% [ > sales based on the same product and approval. We are interested in the
5 Z4 v1 [) z3 N! O. C% @; q> following specifications:
/ s t; L% _+ ]+ k >
( z; \( i6 ]* c> - 2 inputs at the Transmitter with three possibilities;
" w/ |+ \- n& _- v1 j7 `> 2 analog
- \3 Z6 c) J9 i! z1 V> 2 digital
/ U2 g, @9 G+ Y o> 1 analog and 1 digital
0 W' g$ H7 n) x: }$ ^& K( h* H>
g9 {, ~! ~+ C6 o" E& e# `- E8 ~ > - 2 outputs at the Receiver with three possibilities to match inputs
' H+ X1 f) v. Y @- ~>
" t+ K5 s' S, ]7 ^5 t> - Ability to configure/define analog Transmitter input ranges through
; {$ i, w; _" ]. a > simple programming method to correspond with full-range analog Receiver
6 |7 a: N4 }5 a+ I" J > outputs (0 - full voltage).
0 \ D e. \( y' u5 |' y$ o0 H% J7 |( ? >
* [" ~- I# z: I. P! B2 f> - Ability to configure and set sample rates for the inputs.
4 t/ W) n5 R* O1 }( b( n4 ?8 i>
4 h3 ?" D7 z `$ ~# h > - Digital output on Transmitter that turns on during the sampling period.
3 j8 z$ I/ W1 d2 s! R( J3 G>
5 D2 w P% n1 C> - Ability to configure a power saving Sleep Mode in the Transmitter by
0 } |, I' c( m& ?4 ~> both software control and input hardware control.
. W4 j1 F5 s! v+ K% I; r>
- k: ^* g. t) m, _$ F' D( I > In order to configure the units, we would need a way to make the
) h- f. S0 _, W> settings. This would preferably be from a computer terminal so that
/ c* ^$ M# A+ o+ K > configurations can be saved or easily duplicated for production volumes.
! A. {0 A7 n! z+ _8 L' |% |+ |- }# ^> The units should be small and compact with shielding, and able to mount
) o6 [ Z0 j0 f E( W" @> to a printed circuit board with header connector.
* w; f# Q2 E: j& l2 W>
- E+ D$ U# R6 P) w > At this time, we are interested in samples of a pair of modems that
. C" Z! }3 f1 F2 I/ ?/ ?5 }> might be similar to this proposed system. We do not expect that you
% Y* I$ v6 H. f* [, j6 G1 X. {. B7 \> provide all of these specifications at this time. I can describe our
, e" y$ Y( i+ U! Y" Q% D; x > immediate application needs in the next email if this project is of
8 V# M$ |/ h5 W5 d2 D* r > interest to you. Perhaps you can make the samples by those
' @4 r. @5 g- O R9 \) T; P/ L! l> specifications. This will allow us to test your radios before we move
3 v" \7 f/ d F1 V8 T* @> forward. We are interested in your 900MHz radio to start.
1 i, c: i E8 A' U7 W$ x
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