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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

. Q5 j4 n+ o" K: ~: R7 j客户要求如下,如果哪家工厂可以做,请和我联系
* n4 u2 z9 I5 o3 R, G > The application that we have in mind is similar to others that we commonly
2 f/ l4 u" Q4 \> have. If we were to pay for FCC approval, we would want to use the modem
5 F+ W s0 d0 z; x& G3 L > units in all similar applications under the same approval number.
, u/ U! {- }' @& F, } > Therefore, we would like to be able to configure the units to a specific
, P0 o7 T* |8 [7 i' B> application. For the business that we do, this approach will yield more
8 M# I( n N1 X1 M7 a2 T> sales based on the same product and approval. We are interested in the
{, J6 w0 P0 M3 T" e> following specifications:
9 M+ ~0 [# C4 F, C2 F* ]8 t0 H>
1 @- c7 s3 N. y+ q+ M- { > - 2 inputs at the Transmitter with three possibilities;
" e% A g5 B5 \& t' E> 2 analog
3 k5 x6 k( R: r, p; k$ M; v> 2 digital
% h2 M) l6 y) K. b1 X> 1 analog and 1 digital
2 `6 n. V: U( X$ e F- V: U>
& f# ]. h4 j0 U. N> - 2 outputs at the Receiver with three possibilities to match inputs
2 Q$ H% s! V+ `: k: \4 I >
8 L' z5 E3 q) m5 {+ b4 ~3 B > - Ability to configure/define analog Transmitter input ranges through
c4 F( k1 N' L# s% S' K8 r > simple programming method to correspond with full-range analog Receiver
1 v9 f) t. W6 i8 H8 C) d& ]) M1 M* `> outputs (0 - full voltage).
5 V, ^ a6 [, u2 S>
) L/ W( \3 ?! S% G, H* S, `! ?> - Ability to configure and set sample rates for the inputs.
" v e2 u4 \( ^0 ^0 O: M5 | >
; a. P- J% {. Z( z. ?6 e> - Digital output on Transmitter that turns on during the sampling period.
# Q; D% H4 q( o( X ~" O" ^ x>
2 ~/ M7 v# h$ X' ?+ W9 R( D G > - Ability to configure a power saving Sleep Mode in the Transmitter by
* t2 N% f) x9 \% w# Q1 A* J3 ]> both software control and input hardware control.
, Q+ o/ l' Y* V) H' e >
& o+ Z$ t+ D Y5 x. Z! c6 f> In order to configure the units, we would need a way to make the
; w! k% k* c0 }4 Z) J+ v. c$ E' } > settings. This would preferably be from a computer terminal so that
. }! W& b- K6 r+ s( u2 d$ q> configurations can be saved or easily duplicated for production volumes.
0 H# O3 O& P, J3 g, V" f; l; v/ `> The units should be small and compact with shielding, and able to mount
* Y6 t0 G+ y% w/ T> to a printed circuit board with header connector.
" h6 X/ E& m( p% V/ a* Q, T >
% Z3 k& g) w3 B7 y6 C1 K* s1 { > At this time, we are interested in samples of a pair of modems that
7 p- P) A, j, I/ C" a* v+ \& K > might be similar to this proposed system. We do not expect that you
. G1 Y7 m* {4 j> provide all of these specifications at this time. I can describe our
+ [- r/ r m# O i5 K0 N3 I > immediate application needs in the next email if this project is of
1 ~# f8 W& i/ z) o> interest to you. Perhaps you can make the samples by those
& w4 B) g. R0 }. j* v7 O- \8 I+ b, g> specifications. This will allow us to test your radios before we move
: E: }; _4 ?" ~ > forward. We are interested in your 900MHz radio to start.
! @- \/ P r7 w4 s
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