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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

' m" E5 J. G. r& l% {! @: Q客户要求如下,如果哪家工厂可以做,请和我联系
' X8 G/ i& t+ ~4 N& _" Y> The application that we have in mind is similar to others that we commonly
9 v2 T, @/ i! g4 A- _) a> have. If we were to pay for FCC approval, we would want to use the modem
9 \, Z# T+ ~6 R0 U* D7 v > units in all similar applications under the same approval number.
: S7 s1 a: R. F! r9 R > Therefore, we would like to be able to configure the units to a specific
- f( T7 J; K: |8 X$ N* K> application. For the business that we do, this approach will yield more
2 C5 v+ W7 f5 V6 K, I. ^> sales based on the same product and approval. We are interested in the
; \7 |) X8 H/ b% n > following specifications:
# _' f* y: [! m& v2 E- ~ >
. B! ?6 P% @6 q( ~- ]2 C- r > - 2 inputs at the Transmitter with three possibilities;
* F, w5 x7 Q( F6 Q% W> 2 analog
: X+ x+ n- V% W0 c1 o" x> 2 digital
( F( ]& W% ^) R' s4 `/ w2 f > 1 analog and 1 digital
) ?- W0 l, K. T' w* o- e% Z+ n! a >
% C! G( u9 T/ R9 L > - 2 outputs at the Receiver with three possibilities to match inputs
0 R4 A& C# D# g) G# N, ^>
( R- l1 }) w& ]6 j > - Ability to configure/define analog Transmitter input ranges through
2 w; b5 _3 x7 P; _% [ > simple programming method to correspond with full-range analog Receiver
! L" A, N* s, \5 I) |* D > outputs (0 - full voltage).
6 _- Y) |: v, H- q >
9 w+ R' r9 z. e4 {> - Ability to configure and set sample rates for the inputs.
6 c1 r3 |( h+ M# z0 `' j# n>
+ G8 {9 G4 M [: ^+ ?3 o> - Digital output on Transmitter that turns on during the sampling period.
9 y! G6 \' b6 C, N# o( ] >
+ F# S9 x; ^4 g> - Ability to configure a power saving Sleep Mode in the Transmitter by
& o0 z$ h$ O! S > both software control and input hardware control.
- d! O# |3 \: Y1 W+ p9 d1 [( c>
~' D' C* @0 H+ f+ B8 W5 |' a> In order to configure the units, we would need a way to make the
( W7 M/ k; h# y$ w+ i' J6 p: j( p > settings. This would preferably be from a computer terminal so that
# F+ F8 k) Y6 C1 j; N8 `3 U> configurations can be saved or easily duplicated for production volumes.
( I5 W3 e/ d" V# I, f > The units should be small and compact with shielding, and able to mount
6 c$ K' I' H6 N# o/ H0 L > to a printed circuit board with header connector.
2 M& n% \0 \9 D5 Z >
' b# y2 L) d# I( `& R: `> At this time, we are interested in samples of a pair of modems that
$ ]4 K. s! R$ B" ?+ \' Z4 g/ i/ }> might be similar to this proposed system. We do not expect that you
9 P3 u8 `9 v: w/ E/ [% Y > provide all of these specifications at this time. I can describe our
" Y7 N( [: g2 U& A > immediate application needs in the next email if this project is of
! D# U7 ?3 \5 Y4 C3 ~- }> interest to you. Perhaps you can make the samples by those
" u. r' ]# `; u* N& E> specifications. This will allow us to test your radios before we move
$ _0 K6 P# G- q6 G: t > forward. We are interested in your 900MHz radio to start.
) Q3 x4 i/ G) e- ]
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