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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

' a* F0 p. j! }% B0 I客户要求如下,如果哪家工厂可以做,请和我联系
- Z4 z+ ~9 ?- c, ?) s% P9 l> The application that we have in mind is similar to others that we commonly
9 N, Z# i2 g+ G3 [0 W9 U- Z3 m+ n! I! w> have. If we were to pay for FCC approval, we would want to use the modem
4 ~: Y- D* w1 v3 w0 U > units in all similar applications under the same approval number.
/ S. s1 G$ g* O! R* f9 N > Therefore, we would like to be able to configure the units to a specific
/ h, Q4 O, V* D6 O; R, s( |& U> application. For the business that we do, this approach will yield more
1 S$ u- w% B5 E) n > sales based on the same product and approval. We are interested in the
( r2 K: {; j* O9 Y) P& f> following specifications:
B; p! r+ P3 |9 I>
4 y, v* J! v6 |' s8 ]8 y+ e> - 2 inputs at the Transmitter with three possibilities;
0 D! `$ K7 n" r5 r > 2 analog
2 B) ~- v' B8 {' g0 O> 2 digital
6 s3 Z2 a$ c5 t> 1 analog and 1 digital
3 ^9 V/ Q) F$ Q! a1 T/ G7 T>
/ ^ W& D1 b$ v- l- m9 ] > - 2 outputs at the Receiver with three possibilities to match inputs
) ~2 C% X8 l$ o4 \- [3 G5 J2 h >
# Y0 y; q2 i: v% O9 H> - Ability to configure/define analog Transmitter input ranges through
3 a# Q7 O# P# g r" v6 P* {> simple programming method to correspond with full-range analog Receiver
! t1 x4 U! g. y( n* w> outputs (0 - full voltage).
3 [3 J( m9 t! `: S >
4 q* x4 \" ]% W/ t > - Ability to configure and set sample rates for the inputs.
0 u) d/ U8 s( u: C) F+ P>
4 v! t: f( a9 i5 G( h g> - Digital output on Transmitter that turns on during the sampling period.
W8 H) F; t$ a! a$ a8 g B3 R% i>
8 Z* K+ f4 T/ G) k > - Ability to configure a power saving Sleep Mode in the Transmitter by
" k, Y1 z/ }3 | r% _> both software control and input hardware control.
; w" |! B8 ?4 m >
' {) w! ^7 p2 l( g# s) Q> In order to configure the units, we would need a way to make the
" k7 y+ t$ y G5 |+ W- J> settings. This would preferably be from a computer terminal so that
4 p' ^* A7 N2 d' S2 d; `6 [$ S> configurations can be saved or easily duplicated for production volumes.
2 b; }% S& T5 o2 x% h$ c> The units should be small and compact with shielding, and able to mount
7 D: @6 Z# q' v, Y& j4 x+ ]- H > to a printed circuit board with header connector.
3 h1 R: @& a0 x2 W>
4 c4 \' y2 `# l) o V > At this time, we are interested in samples of a pair of modems that
" D3 E. q |7 o. W! X3 u9 x > might be similar to this proposed system. We do not expect that you
1 ^+ k, f5 ]# Y9 ^2 L> provide all of these specifications at this time. I can describe our
: H) _& M" {& _ > immediate application needs in the next email if this project is of
) i' \ w& r% `: H1 x> interest to you. Perhaps you can make the samples by those
/ J& b. z1 i. v# W > specifications. This will allow us to test your radios before we move
( M" A% u4 g" }/ u4 s > forward. We are interested in your 900MHz radio to start.
" e0 x3 f. C& ?- M8 _6 F# ^0 M( G- A
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