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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

$ i+ r4 S" u/ Q4 E" a0 ^ 客户要求如下,如果哪家工厂可以做,请和我联系
4 J4 ?4 ^+ s6 I2 ?* I$ ^> The application that we have in mind is similar to others that we commonly
# {" k+ d: C5 b; A6 k > have. If we were to pay for FCC approval, we would want to use the modem
7 x# S- u) _9 p/ L4 N' e6 T> units in all similar applications under the same approval number.
) U5 ?5 [2 E0 Z/ ^5 j( w* L> Therefore, we would like to be able to configure the units to a specific
: L3 p$ ^' ^% E8 i9 [, L, K > application. For the business that we do, this approach will yield more
1 D& W0 H8 Y; e% n" }3 l > sales based on the same product and approval. We are interested in the
5 j1 d- g$ `7 ^3 ^% ~ > following specifications:
) _5 ]1 n8 S5 y% `% ^9 f>
2 _% Y& k% G- J: z( i > - 2 inputs at the Transmitter with three possibilities;
6 { H# G) G# c% P( \& W; ]3 P > 2 analog
7 N# m; Z( q& `9 S. P% w; k u > 2 digital
& h) z8 H/ E% a$ n/ U! l. V> 1 analog and 1 digital
7 a1 F$ x1 ~+ W E5 X$ T+ s >
9 [5 B8 b# a' P- g1 |0 T( | > - 2 outputs at the Receiver with three possibilities to match inputs
. h8 G2 O+ ~! s' c8 F- i) | >
6 H$ m8 r* R0 R& J* t" x/ N > - Ability to configure/define analog Transmitter input ranges through
c- S! I3 ]! C* M- L- n> simple programming method to correspond with full-range analog Receiver
% a( ^5 R4 N: y > outputs (0 - full voltage).
% A# @( N7 u, ]# s% [* s& K U>
& O9 Z, Y* ] L> - Ability to configure and set sample rates for the inputs.
: F3 \" }& O* {/ f0 N>
o) q, }. g, S7 q' T3 R > - Digital output on Transmitter that turns on during the sampling period.
4 Q' H! o i& H. s>
9 k& _ x9 ]" V K> - Ability to configure a power saving Sleep Mode in the Transmitter by
. o9 _! Z- [. E Y M/ d! m> both software control and input hardware control.
8 N# q, }. |/ d+ Z+ O4 F8 o2 Y >
5 y; ^+ ~% F& l1 O, q. ?3 A> In order to configure the units, we would need a way to make the
/ A8 w* ^! C4 x# ^: M' I1 a, q' ^ > settings. This would preferably be from a computer terminal so that
1 M8 L/ P1 A7 `( k, Z> configurations can be saved or easily duplicated for production volumes.
7 M* Z7 G' M: `! x( K% T > The units should be small and compact with shielding, and able to mount
5 i" N: G1 Q7 U8 |! o > to a printed circuit board with header connector.
" H" Z" z6 ]$ ~$ T* p2 t( \' H+ F& y >
5 a* b1 k# J2 r* b# |' M6 Q > At this time, we are interested in samples of a pair of modems that
; {% J1 J- ]* X6 y: C o4 M* w+ R > might be similar to this proposed system. We do not expect that you
" `9 D3 U- r5 ?, ^; Y1 ~: _ > provide all of these specifications at this time. I can describe our
- L) {- H _1 Z( ~" o > immediate application needs in the next email if this project is of
, D0 b' i% q3 a- F5 F7 v> interest to you. Perhaps you can make the samples by those
5 }# X9 A9 [+ B$ N( Y% ?, @4 f! B > specifications. This will allow us to test your radios before we move
! {3 ^2 s: r) i, m8 [0 ]> forward. We are interested in your 900MHz radio to start.
2 k; @; h& r! @! ~8 T8 a
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