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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

5 W; |, ^- S0 u5 y f 客户要求如下,如果哪家工厂可以做,请和我联系
3 b+ T! J7 G! L% N/ o6 l* h> The application that we have in mind is similar to others that we commonly
$ S: w$ O, `. Q e q: B> have. If we were to pay for FCC approval, we would want to use the modem
+ d9 ]5 a5 V* v6 D9 H3 R> units in all similar applications under the same approval number.
# L" S# q2 j9 v/ o5 \, d2 E2 v > Therefore, we would like to be able to configure the units to a specific
( Q+ A" W' d+ y/ {" H> application. For the business that we do, this approach will yield more
! E* h7 I4 a! P. h2 ^; `> sales based on the same product and approval. We are interested in the
4 ]% k* P# o# t- f# J" D) o d* p2 i, }> following specifications:
; t. Y6 g' b( u0 L >
- o* `6 u. |0 j > - 2 inputs at the Transmitter with three possibilities;
# Q0 G# H8 J" v' K > 2 analog
! c" l/ h5 E5 a1 }7 w( p5 i1 H > 2 digital
, I2 k; r. C. S' P6 L8 Z5 f, ~& n> 1 analog and 1 digital
( \/ G' F" l0 e9 V$ s: R>
- N! a+ E/ l* n$ x( F) L: |" t > - 2 outputs at the Receiver with three possibilities to match inputs
1 I: t; G! p: | >
. ?: A( A/ _, I, o > - Ability to configure/define analog Transmitter input ranges through
1 L/ x# U2 K/ F8 F ?3 R" M > simple programming method to correspond with full-range analog Receiver
6 S9 [' U9 \2 D > outputs (0 - full voltage).
7 b, T4 f) }( E( K1 D& t>
5 ], K: h8 M/ y4 {. T. e > - Ability to configure and set sample rates for the inputs.
; O6 b, F$ p' _. j& l5 S >
/ x$ F. S, `. c' @( N > - Digital output on Transmitter that turns on during the sampling period.
+ U9 [% Z, U" X2 G6 a d b >
- P, h! S) [8 |/ Z& |3 G3 N> - Ability to configure a power saving Sleep Mode in the Transmitter by
( ]' C* x+ H U4 y' X; D> both software control and input hardware control.
5 N9 q9 D1 R% @ >
; Q4 S. y7 X1 o; ~. O> In order to configure the units, we would need a way to make the
4 F/ _5 V9 ~2 u7 i3 h q* F> settings. This would preferably be from a computer terminal so that
9 M V/ ]1 o. W! y# g > configurations can be saved or easily duplicated for production volumes.
7 C9 Z0 P$ o. X6 b2 L! | > The units should be small and compact with shielding, and able to mount
+ N b! `" q! y# s& s6 m> to a printed circuit board with header connector.
+ B3 z8 f2 z9 C- ]4 G7 V' g3 _; n >
( w7 G# Z- B- P9 w# t. s> At this time, we are interested in samples of a pair of modems that
U7 \+ P1 c4 E1 F* p" X2 |3 v > might be similar to this proposed system. We do not expect that you
, X/ |0 Z4 m1 h0 D b8 U0 K8 o" o8 T> provide all of these specifications at this time. I can describe our
* `, E: S% r F$ }% S- {> immediate application needs in the next email if this project is of
& o* |- O% `8 V. i* O0 N+ B. h' v > interest to you. Perhaps you can make the samples by those
- D# A* j& v. z" w > specifications. This will allow us to test your radios before we move
7 S5 ?( Z a1 x8 E" V5 Y' i+ i > forward. We are interested in your 900MHz radio to start.
" Z/ Z3 C1 \6 z1 I3 K, d6 T. z
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