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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

% O& E& t' t& G客户要求如下,如果哪家工厂可以做,请和我联系
9 z0 {9 u% S) I3 ~ r* N > The application that we have in mind is similar to others that we commonly
8 z5 n( j1 u1 V3 f) N# z: F> have. If we were to pay for FCC approval, we would want to use the modem
2 p" Y: S0 B2 ^/ j& t> units in all similar applications under the same approval number.
' q( W- p- o. e0 A> Therefore, we would like to be able to configure the units to a specific
9 D. q0 g, g) J6 I( `5 l( H> application. For the business that we do, this approach will yield more
* j) ?3 s& i' u. Q+ {) k> sales based on the same product and approval. We are interested in the
8 h* P b& O1 c" J# @3 i1 j j; U> following specifications:
- P! D# e5 `8 ?5 \5 b>
2 l7 H0 L5 m4 r> - 2 inputs at the Transmitter with three possibilities;
9 P, b: @" }$ z* @2 V> 2 analog
( X. [, G- N9 o> 2 digital
# E9 d/ k( e* D1 q> 1 analog and 1 digital
, x R& o3 b" H; t0 F >
; a; K/ t. u6 z> - 2 outputs at the Receiver with three possibilities to match inputs
4 M* w! M/ [! s2 W1 o* r' A7 n >
, O6 V1 w* J% J4 N/ F) Y9 R > - Ability to configure/define analog Transmitter input ranges through
2 `" m7 ^8 m+ ^: w2 W7 v > simple programming method to correspond with full-range analog Receiver
" }; k1 v, U4 J8 T/ X. c/ F > outputs (0 - full voltage).
8 T* K% E) L" |5 G- n >
& w `; }7 c6 N' p/ q4 u > - Ability to configure and set sample rates for the inputs.
$ V& {. n' x& v9 z; q >
1 O5 N% s. `8 o" x& J+ b+ E> - Digital output on Transmitter that turns on during the sampling period.
; k, v7 u- n' y! [5 O>
; i$ Z7 y5 u! [5 v: p# ]1 z m > - Ability to configure a power saving Sleep Mode in the Transmitter by
" P4 `& n& _: I; ]* e/ o> both software control and input hardware control.
( f* Z" p0 H0 M1 `( y>
6 ]4 ?% H6 I8 A> In order to configure the units, we would need a way to make the
( y7 j" ?6 G" p# b g% ?* N# k/ c > settings. This would preferably be from a computer terminal so that
9 @9 M5 ?* c( e5 F6 u# M' G |> configurations can be saved or easily duplicated for production volumes.
! w S1 d5 }7 C* L6 c( C+ y > The units should be small and compact with shielding, and able to mount
/ P, q/ Y. ^9 w* u5 r W* B+ N9 F( m. _ > to a printed circuit board with header connector.
0 a- s. K' I4 y0 R" W- G >
' G& r0 ]6 E6 Z' @ > At this time, we are interested in samples of a pair of modems that
8 l3 W# t1 E2 t7 a> might be similar to this proposed system. We do not expect that you
6 T* X! S: p0 I, \3 w: p> provide all of these specifications at this time. I can describe our
' q1 [* h. W( d > immediate application needs in the next email if this project is of
; t- T7 O' k7 S. ^ > interest to you. Perhaps you can make the samples by those
/ A. {3 d- {: O7 Z> specifications. This will allow us to test your radios before we move
5 O5 L! }/ u) F) z- [ > forward. We are interested in your 900MHz radio to start.
9 A" n& o7 O% f2 ~6 ^ ~3 F
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