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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

0 X6 Y8 I8 O8 L; F7 G5 ] 客户要求如下,如果哪家工厂可以做,请和我联系
! S% D+ y$ Z2 A> The application that we have in mind is similar to others that we commonly
0 [8 S/ \/ j8 ?7 X& G" `( D> have. If we were to pay for FCC approval, we would want to use the modem
; }# d' T5 s( ]$ d+ T1 w9 \ > units in all similar applications under the same approval number.
/ L3 ]" ] O# k6 u) S2 w1 J > Therefore, we would like to be able to configure the units to a specific
1 B+ Y( n1 o+ T9 g0 L0 {> application. For the business that we do, this approach will yield more
# a C- p4 ^$ x, r+ R9 g7 U% ^1 I > sales based on the same product and approval. We are interested in the
* }0 Y6 ~' ^) ]+ Q8 ] > following specifications:
) u: p/ y( r! X4 O, }5 h>
$ O I: a& Q$ _4 \8 |$ I" o > - 2 inputs at the Transmitter with three possibilities;
, z8 A8 o4 s/ X1 |( J0 w5 p > 2 analog
8 l8 H* O* f* s1 B" X. o8 ]> 2 digital
8 {2 s* t% ~1 m* M& } > 1 analog and 1 digital
9 S( r! n' N d, L* A! k, _* a >
9 x# i% a; l- S# M > - 2 outputs at the Receiver with three possibilities to match inputs
: s6 ?4 i c8 n3 j>
& A" d1 X$ D, \& M > - Ability to configure/define analog Transmitter input ranges through
; Y8 F9 r( L3 B/ x1 }+ o c- W> simple programming method to correspond with full-range analog Receiver
8 P8 f8 h8 f2 S. f. s' B> outputs (0 - full voltage).
, H6 A8 r: P K+ P>
; O( @: \8 S- z& J. B) I > - Ability to configure and set sample rates for the inputs.
% C' Y$ m! ?& c" q' f >
- L0 \: @) K3 p' T& K3 I> - Digital output on Transmitter that turns on during the sampling period.
, E- W- e+ v8 c m0 k >
) x- ~ m" v2 ~6 x. D# D> - Ability to configure a power saving Sleep Mode in the Transmitter by
" I) i3 k, T6 L% f > both software control and input hardware control.
: ~+ _0 I k$ n' L, d) |' P >
3 r4 M: ]" I. N: ~ u> In order to configure the units, we would need a way to make the
: L' h! q4 o1 _5 \+ x > settings. This would preferably be from a computer terminal so that
9 ]% @ }$ Y4 z( O1 A9 ^. d% f1 n, S > configurations can be saved or easily duplicated for production volumes.
?; b! |, H- \+ d > The units should be small and compact with shielding, and able to mount
9 q h" [5 T- d2 }8 G0 v4 H+ Z> to a printed circuit board with header connector.
$ G: z% r+ |( \- J$ x7 F, T: E1 Y8 ~ >
. p! j' `' }0 Z: l% `: o8 Z0 r1 Q > At this time, we are interested in samples of a pair of modems that
" s) i# s o2 p0 E* @) w> might be similar to this proposed system. We do not expect that you
* G1 p, K& c. x$ ~( _, h* n( W$ s. Z> provide all of these specifications at this time. I can describe our
' G; V1 w0 s9 {6 s w# t9 U> immediate application needs in the next email if this project is of
6 r" t8 @# I0 j& m4 M6 @4 o> interest to you. Perhaps you can make the samples by those
: J" W8 `/ i7 A9 J" q > specifications. This will allow us to test your radios before we move
& Z+ |. M5 Q; ~4 v) l> forward. We are interested in your 900MHz radio to start.
* F% I. i' v1 U# W5 g0 Z+ ]- Q
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