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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

( s2 Z+ d3 u: q客户要求如下,如果哪家工厂可以做,请和我联系
/ @+ D1 D8 v/ B: t > The application that we have in mind is similar to others that we commonly
; \0 x% l4 Z. k3 K- _9 Z E( R > have. If we were to pay for FCC approval, we would want to use the modem
0 Z% r5 j( N9 @ _> units in all similar applications under the same approval number.
! {/ o |. t. m& q" k/ r& J0 L$ l> Therefore, we would like to be able to configure the units to a specific
; N3 P$ Z* T( ~1 { > application. For the business that we do, this approach will yield more
) U' r0 [, b7 D5 ] > sales based on the same product and approval. We are interested in the
+ B7 s; m$ k+ S" Y" y/ M: R> following specifications:
. `2 x& \0 e# U- c7 T>
( n9 w$ L9 K6 l > - 2 inputs at the Transmitter with three possibilities;
) d" \( q; ?" f, s7 S" X > 2 analog
) q# l+ A* q1 a0 W: }. Q > 2 digital
7 Z* [4 h- S" }. V/ ] > 1 analog and 1 digital
6 q; k. \# L. l, w, ? >
; `4 F8 D# r# \. q> - 2 outputs at the Receiver with three possibilities to match inputs
5 W8 Y2 e9 V( P" j1 Q+ R >
7 N) ]' G+ T1 e3 T Y( w* o$ _8 J> - Ability to configure/define analog Transmitter input ranges through
; U ^' |' i+ s& k0 ?; T9 ]0 R5 W8 X% S > simple programming method to correspond with full-range analog Receiver
6 d7 i, M- F! n$ j6 H* p- f > outputs (0 - full voltage).
& b, v( H! T5 c >
+ P6 v) R f- O9 q. x> - Ability to configure and set sample rates for the inputs.
3 g& W( u/ Z/ G5 w& q3 ^4 Z >
0 q5 U% v) b+ w# t& U0 U \6 M> - Digital output on Transmitter that turns on during the sampling period.
" T. ?% z1 H" H; K$ \7 n ^>
- T- U Z: h" g0 Z# X4 g( ~ > - Ability to configure a power saving Sleep Mode in the Transmitter by
' l* B9 B' m# @2 m# u _ > both software control and input hardware control.
# H( ]- K# S& r( M; ^% V& d6 _% Q>
, B$ E: {) H8 q$ e> In order to configure the units, we would need a way to make the
$ e9 M2 G. e! {$ s> settings. This would preferably be from a computer terminal so that
6 _3 F; C# C) I > configurations can be saved or easily duplicated for production volumes.
' _( K8 j# O" N* s. l' Q F > The units should be small and compact with shielding, and able to mount
! t# A0 g, U$ K/ ^5 }4 D> to a printed circuit board with header connector.
6 y! \" U2 Y9 W& [ F>
* Z' _! q3 U! |. }0 o' W> At this time, we are interested in samples of a pair of modems that
# C- S7 f! S( R> might be similar to this proposed system. We do not expect that you
* l, H8 ]7 }$ K> provide all of these specifications at this time. I can describe our
, i) o/ P% ]3 P1 z7 c0 n0 w > immediate application needs in the next email if this project is of
# @6 L0 w8 _& D$ z > interest to you. Perhaps you can make the samples by those
, W* M( e2 V7 P% w) H> specifications. This will allow us to test your radios before we move
. w0 p1 h; _# `; u> forward. We are interested in your 900MHz radio to start.
( K/ ] ^8 e# K" l9 A
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