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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

- z% V' }. f& B客户要求如下,如果哪家工厂可以做,请和我联系
7 d Y( Z6 H' b0 M7 ^$ n > The application that we have in mind is similar to others that we commonly
" b, l- M' w8 S > have. If we were to pay for FCC approval, we would want to use the modem
, V! Y: G! O* j> units in all similar applications under the same approval number.
4 C/ T9 G- p# ]4 m0 N! E+ w > Therefore, we would like to be able to configure the units to a specific
' `4 m. M$ @+ z> application. For the business that we do, this approach will yield more
* H4 A2 z- a3 Y/ t> sales based on the same product and approval. We are interested in the
) j4 Z8 Q: O% f. u( W > following specifications:
1 `( F2 s& E: ?- F9 b! @ f>
& Q; l `0 u- H: N2 T > - 2 inputs at the Transmitter with three possibilities;
" }0 W0 @# E1 ^- O: _ > 2 analog
5 E& f& U$ t0 ?" {! W > 2 digital
- N7 p2 x+ ~: S% Z, g _! a: b$ j7 Z+ T> 1 analog and 1 digital
) _& g: E7 _. y5 K! X0 `9 X( O/ j >
8 q% n( M: L8 N, ^0 n> - 2 outputs at the Receiver with three possibilities to match inputs
, C, c: j- c1 W! W >
# O: Y0 c0 U* \- B: h> - Ability to configure/define analog Transmitter input ranges through
6 ]% q( m0 U% w4 S> simple programming method to correspond with full-range analog Receiver
/ v; u- C# T8 H4 R$ H> outputs (0 - full voltage).
+ F9 `9 i0 a0 V% Q$ I>
- P: x' J+ Z. O- n! ^# n) o0 Y > - Ability to configure and set sample rates for the inputs.
, m* C+ c4 Z1 H' y& S* N1 D >
& b, D% Q1 ^& Q. v8 B8 A > - Digital output on Transmitter that turns on during the sampling period.
8 W, \$ {: D, Y>
8 a' g5 `( Y' B, f' z* R! Q > - Ability to configure a power saving Sleep Mode in the Transmitter by
/ C! J+ Z# R! B4 ?3 k% ]7 v. b > both software control and input hardware control.
( J$ X# g# ^2 ~5 R. E7 Z Y3 P >
5 V6 P8 T, y" `1 | r) T, f> In order to configure the units, we would need a way to make the
9 H$ b" h2 u5 p% a3 a. M% j0 t2 a, V3 V9 r" o > settings. This would preferably be from a computer terminal so that
7 p% W' D0 @% P: }- ^* \+ n- e> configurations can be saved or easily duplicated for production volumes.
/ G' ~- U& L8 N& _) @> The units should be small and compact with shielding, and able to mount
( g) U9 `: U+ p# p" W# [5 B/ N> to a printed circuit board with header connector.
$ l9 R$ I$ j4 d, k7 w( v6 @9 A >
( v, J6 d: ]. d/ y4 v2 L > At this time, we are interested in samples of a pair of modems that
, T$ [" R0 T- P7 }% F' F3 M# a > might be similar to this proposed system. We do not expect that you
' m" ~) o8 z( `* B3 h# ` > provide all of these specifications at this time. I can describe our
% c' Y7 r5 {' \3 k6 P1 w. u > immediate application needs in the next email if this project is of
# P; W. e9 X( m: \+ h$ n> interest to you. Perhaps you can make the samples by those
( u [# c6 w& K7 X9 q9 u, J, d9 p > specifications. This will allow us to test your radios before we move
% C$ I! y* g1 z# O2 i* V> forward. We are interested in your 900MHz radio to start.
' m& M5 @/ O& e! b
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