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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

( Q; |! l, s9 z 客户要求如下,如果哪家工厂可以做,请和我联系
' N# _1 N8 W, ]> The application that we have in mind is similar to others that we commonly
) Z8 X0 U1 |" s5 |# G' K > have. If we were to pay for FCC approval, we would want to use the modem
# n8 P, @2 P6 R, j$ I! s > units in all similar applications under the same approval number.
' R& z, q/ d- H > Therefore, we would like to be able to configure the units to a specific
1 K8 ]# ], M0 u* t" L' i7 P* `/ ^6 X> application. For the business that we do, this approach will yield more
9 z5 W5 P9 ]$ g# h# I' |& o! \8 g > sales based on the same product and approval. We are interested in the
5 R: M9 b1 y$ k% }& A8 z > following specifications:
& p6 N* T8 j% Y+ d >
$ W! @, x) D4 w" c P% l* D> - 2 inputs at the Transmitter with three possibilities;
% O* M8 y+ m% f% ] y2 h; C+ f > 2 analog
1 g3 N( {# K: w; r > 2 digital
+ Y5 S* l# y, h) T# W4 j > 1 analog and 1 digital
" x9 s3 b: V' b. G8 c( Q >
. j: u3 a$ H3 N4 F" T8 i > - 2 outputs at the Receiver with three possibilities to match inputs
# p. L# L: X' G. P% l >
G9 S# N$ v2 Q* k, W8 b. Z" F> - Ability to configure/define analog Transmitter input ranges through
8 y- H. t5 m) X5 \ ~ p" k> simple programming method to correspond with full-range analog Receiver
H4 Q8 r* f$ I( ~> outputs (0 - full voltage).
; H4 \; C2 n8 n>
0 `. k/ o' x% O> - Ability to configure and set sample rates for the inputs.
' h4 Q! E+ H- \* \>
; f: N" O- h8 D > - Digital output on Transmitter that turns on during the sampling period.
; `7 _( \; _: U >
* `% c# I6 ^/ A7 O> - Ability to configure a power saving Sleep Mode in the Transmitter by
) Y" i3 G( l2 F' k3 b> both software control and input hardware control.
' w+ s& B, D) U>
l$ ~' L/ @! k/ [& P5 J' L > In order to configure the units, we would need a way to make the
$ ^4 c, Y6 H! s5 y. U* O/ g% g> settings. This would preferably be from a computer terminal so that
9 x, o# _0 |3 f# R> configurations can be saved or easily duplicated for production volumes.
. g# U8 E2 [) X5 P! I- K' @> The units should be small and compact with shielding, and able to mount
" _% f, z7 `2 {' u> to a printed circuit board with header connector.
; O( p2 r8 V1 X >
3 f0 M7 S) V/ _: y* T* e% q* J > At this time, we are interested in samples of a pair of modems that
n* {8 e: b A; Z; ~ > might be similar to this proposed system. We do not expect that you
; h' G$ F( m9 e O5 i+ {6 m' { > provide all of these specifications at this time. I can describe our
& u) ^, E2 I/ `6 |5 Q6 u > immediate application needs in the next email if this project is of
6 ]6 i) T. E7 u, }' ~1 G9 w> interest to you. Perhaps you can make the samples by those
. M$ K- L- m' z: V/ Y6 B6 b) \ > specifications. This will allow us to test your radios before we move
, k$ n5 L" k& F1 @> forward. We are interested in your 900MHz radio to start.
: u7 s4 s+ D+ ^
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