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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

9 l0 l# N" P, W- x% y& t 客户要求如下,如果哪家工厂可以做,请和我联系
/ H2 {* @: p) E7 ^/ \/ D > The application that we have in mind is similar to others that we commonly
; r h( M$ I$ z c! e> have. If we were to pay for FCC approval, we would want to use the modem
6 J0 s; `% K3 t; k& p2 ^) R0 X" D > units in all similar applications under the same approval number.
6 ~: Z; P/ g8 o> Therefore, we would like to be able to configure the units to a specific
* h4 M# P: ^/ C* _7 C > application. For the business that we do, this approach will yield more
" B" }: y; i, ^- P) A9 p" X% v6 {> sales based on the same product and approval. We are interested in the
W1 x e$ k0 v1 V S> following specifications:
/ D; C; H: _" u# [>
: q$ L1 ?/ H5 |3 o> - 2 inputs at the Transmitter with three possibilities;
; h+ f9 Z# y5 w9 \8 _. y( I> 2 analog
5 g1 p% I, g/ K2 a> 2 digital
6 j7 q6 @, b2 o > 1 analog and 1 digital
7 g6 N) a1 L! d4 p4 k >
7 q( {+ \6 p& l) b2 F$ k0 P> - 2 outputs at the Receiver with three possibilities to match inputs
' |( }( |: t' X4 N8 w8 j1 Q >
( f; p; C6 ?9 d3 y" W> - Ability to configure/define analog Transmitter input ranges through
6 z' {! b' M3 j7 k$ j3 \. a1 \+ J> simple programming method to correspond with full-range analog Receiver
! }( Q" I+ X/ Q: H* D7 n > outputs (0 - full voltage).
# V! s6 ~; a+ z# E, G5 `% \ >
* k+ f- g: g. y6 Z0 u5 a> - Ability to configure and set sample rates for the inputs.
/ X& `8 a. o; P( m* w6 U! u>
2 n) r6 h" O O: U8 t > - Digital output on Transmitter that turns on during the sampling period.
! B \2 e( ^- L2 d8 }9 v5 O>
8 Y0 r5 u% f5 \- a" s5 b" |; j2 H > - Ability to configure a power saving Sleep Mode in the Transmitter by
6 ~& Z. N. m, a- n: K> both software control and input hardware control.
! B K% i' b$ T>
7 L4 y5 J& o$ C7 b& ^5 \ > In order to configure the units, we would need a way to make the
" \7 Y% {" k% t: K4 x > settings. This would preferably be from a computer terminal so that
7 d l3 L0 M" B# O' X, B* U+ K> configurations can be saved or easily duplicated for production volumes.
# M, t* F+ S p > The units should be small and compact with shielding, and able to mount
( v2 j* e5 S1 c( o! l > to a printed circuit board with header connector.
4 @3 \# P; d+ I% b5 r>
3 I3 g8 W4 V9 N, u" ^) ~' X> At this time, we are interested in samples of a pair of modems that
8 w4 h: }. v4 }2 u" [/ U > might be similar to this proposed system. We do not expect that you
1 K% @9 o/ ?! e, D* l2 y > provide all of these specifications at this time. I can describe our
* o( f$ `7 `$ M' [* t> immediate application needs in the next email if this project is of
' A$ h9 o* S4 B' c* M4 K6 }0 B8 K> interest to you. Perhaps you can make the samples by those
" p) I' F1 ^2 `2 T" ^> specifications. This will allow us to test your radios before we move
% ` p' g9 J( _. P" ?* l) A! u> forward. We are interested in your 900MHz radio to start.
# ^( q' \8 t8 W/ X
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