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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

! _% f$ r, l3 N8 o6 s 客户要求如下,如果哪家工厂可以做,请和我联系
* F8 i- A/ l; E3 F+ { > The application that we have in mind is similar to others that we commonly
; f" W$ _& v/ U+ C9 U/ v> have. If we were to pay for FCC approval, we would want to use the modem
5 Z. m" Y8 A! b) p! G > units in all similar applications under the same approval number.
8 F+ }2 K, H5 a) h) ]# l2 P8 r; M > Therefore, we would like to be able to configure the units to a specific
3 }4 ? T( Y( B; b+ B> application. For the business that we do, this approach will yield more
. u6 [0 F9 ]9 i4 [* E > sales based on the same product and approval. We are interested in the
2 I4 s- d+ | _ _1 k" Z> following specifications:
+ R% d& A0 T0 }! h' c( s3 i >
2 F+ W6 X" |2 z3 Y* ~# j0 n > - 2 inputs at the Transmitter with three possibilities;
; ^$ U* b+ m3 M0 Q> 2 analog
- _/ }; q) w2 Y8 C. W> 2 digital
" U* p6 i* G; [7 h! m! i0 c; T > 1 analog and 1 digital
: Y7 l. ^5 R* R; L8 [ N >
4 n% F* x8 a; U6 w) m3 w0 z6 M> - 2 outputs at the Receiver with three possibilities to match inputs
" H3 h- V: L9 x7 `9 Y" z >
' |3 s" e# {, g2 n0 G* G. ` > - Ability to configure/define analog Transmitter input ranges through
& s T0 a! q/ I; W > simple programming method to correspond with full-range analog Receiver
( p4 c [( S H3 j8 P" q> outputs (0 - full voltage).
" R0 J2 R# T& b8 s9 h# a >
8 a) B, T( _1 W% h% l > - Ability to configure and set sample rates for the inputs.
_% c3 W+ M/ E) ]5 }7 H& M! P>
+ r* s' U) d. B/ |> - Digital output on Transmitter that turns on during the sampling period.
! V/ k: Q6 Y: W/ z/ ^$ _9 K6 O >
0 M7 e/ i, |, l' T > - Ability to configure a power saving Sleep Mode in the Transmitter by
6 m$ P" M- z R" r2 ` > both software control and input hardware control.
9 ^. o8 X) M% h5 B, K N>
% c/ e* h% Z) K > In order to configure the units, we would need a way to make the
- c7 W/ {: B. D> settings. This would preferably be from a computer terminal so that
' S* b. g3 {- o5 g% g > configurations can be saved or easily duplicated for production volumes.
4 f" N( X. t8 N4 ]$ G, c> The units should be small and compact with shielding, and able to mount
2 f: \1 }3 y$ X% i& r" L7 _8 f > to a printed circuit board with header connector.
4 T( }5 V; |7 C >
7 m0 O1 u: X* `5 a0 Q* D > At this time, we are interested in samples of a pair of modems that
, F/ E" e0 e7 x8 D2 ], n) k> might be similar to this proposed system. We do not expect that you
. o! s( Q# y( O, Z* ~7 Z > provide all of these specifications at this time. I can describe our
& f, m( K. q1 R/ X8 s> immediate application needs in the next email if this project is of
$ J- d! i: C! Q5 b2 L3 c6 e' g> interest to you. Perhaps you can make the samples by those
/ M. C p9 D# \5 B2 f! W> specifications. This will allow us to test your radios before we move
, y1 O* u! K1 x2 @. Z3 ]+ f% Y > forward. We are interested in your 900MHz radio to start.
0 Y o0 l4 M& R5 X% s
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