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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 V& Z. p; |) e7 F客户要求如下,如果哪家工厂可以做,请和我联系
! w+ k5 |, Q/ `, e; H+ k > The application that we have in mind is similar to others that we commonly
, f0 B5 J2 Y" z# M5 t > have. If we were to pay for FCC approval, we would want to use the modem
; f/ |$ [0 F4 p1 |+ E> units in all similar applications under the same approval number.
4 \: n! M& x5 G. p3 A> Therefore, we would like to be able to configure the units to a specific
# ^1 A; X/ _; i- a> application. For the business that we do, this approach will yield more
5 [4 r4 x. @" w1 T* V8 Y3 r > sales based on the same product and approval. We are interested in the
5 n/ l# [5 U: g' J" b: h0 J0 Z Y> following specifications:
u( p! `& P! ] >
1 N( b# C' K9 J8 X1 ?3 E > - 2 inputs at the Transmitter with three possibilities;
& K2 K3 V3 P( P > 2 analog
6 A f& [4 c* |# Q > 2 digital
7 b I3 h' _ Q# V: t# O1 F( V> 1 analog and 1 digital
! \' C$ n: O$ r* a' o, |1 S& ~>
$ W! ?9 `' F6 Z! w! z/ D( D0 T, c/ {: h > - 2 outputs at the Receiver with three possibilities to match inputs
- o5 m- R; |" T5 ~- }& V; Q- d o>
0 H0 o. @' s5 E- `7 N; w > - Ability to configure/define analog Transmitter input ranges through
s0 ? z7 k, p3 |% n> simple programming method to correspond with full-range analog Receiver
9 Z* @% C: b8 d. X0 |1 s& f2 a. u > outputs (0 - full voltage).
- I6 A4 z( R1 _/ G; l >
. y+ a$ V& e+ ^> - Ability to configure and set sample rates for the inputs.
8 E2 C i4 H& F3 D5 _1 e >
" B0 Z: V9 s- v& v0 ] > - Digital output on Transmitter that turns on during the sampling period.
9 M6 L/ L* x7 @. ]5 a >
; @2 h1 }7 C* J5 ?3 T. C$ C > - Ability to configure a power saving Sleep Mode in the Transmitter by
. H! u; C5 F& @* B, r7 w6 e& a > both software control and input hardware control.
' l$ Z. H. T8 [8 g; P; {$ C>
! z' _) X8 p, y/ u$ d! b> In order to configure the units, we would need a way to make the
0 l. @( T" {2 r# z> settings. This would preferably be from a computer terminal so that
* m; O d- ]7 e6 O* C > configurations can be saved or easily duplicated for production volumes.
' K/ J" ~" P3 C- v2 F, V0 L > The units should be small and compact with shielding, and able to mount
5 s" ^; ~2 P1 ~) i# S5 T> to a printed circuit board with header connector.
. r. f! r# Z" B0 F! l1 f>
7 o/ q1 E! i# F% p > At this time, we are interested in samples of a pair of modems that
4 g' C. u& O- g6 y8 y& d! G > might be similar to this proposed system. We do not expect that you
/ J6 F% A2 c- M > provide all of these specifications at this time. I can describe our
3 k; J. R+ Y) w. x > immediate application needs in the next email if this project is of
1 L; w5 G2 F. c3 Q9 x* Z> interest to you. Perhaps you can make the samples by those
" |8 N8 J0 d/ Q* ?* v! D> specifications. This will allow us to test your radios before we move
. N% J+ Q9 n' h7 O5 [ > forward. We are interested in your 900MHz radio to start.
- L0 w* _* Z9 ^9 D' E8 q
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