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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

, z, b0 Q* a/ T, w( v. C客户要求如下,如果哪家工厂可以做,请和我联系
" T, o% a! |) o( ^ > The application that we have in mind is similar to others that we commonly
! B" c% A" n' @1 D0 t. ^( D+ ~! h1 O: `* W > have. If we were to pay for FCC approval, we would want to use the modem
* q$ ]0 `+ a; t. B> units in all similar applications under the same approval number.
' h+ i6 k8 F8 Q0 j9 @ > Therefore, we would like to be able to configure the units to a specific
. j0 K9 U; s. _. R3 u2 g> application. For the business that we do, this approach will yield more
# z7 C( _4 o- B. ?> sales based on the same product and approval. We are interested in the
) x# X! _$ E$ A( {& K9 [% Y> following specifications:
6 b8 b* o% Z: @/ m1 }1 U1 V >
* R0 d( b- K( e4 o> - 2 inputs at the Transmitter with three possibilities;
: F' e/ X' A0 W0 M# |6 I$ I. g$ J > 2 analog
( F: n3 q: ^/ L4 g# w$ E > 2 digital
; q) G' n+ b m3 a > 1 analog and 1 digital
- L2 j2 O( v% @) Q- e) O, J>
' e5 \; R; Z V m8 Z > - 2 outputs at the Receiver with three possibilities to match inputs
8 |$ Y: U! m% l1 ?( J>
$ K( U5 O. U/ }+ n > - Ability to configure/define analog Transmitter input ranges through
& V* q8 t* |4 [2 k# N( {3 ?% m; @ > simple programming method to correspond with full-range analog Receiver
% ?% Z* a. v8 p5 j3 E> outputs (0 - full voltage).
3 e$ ]3 f1 u2 |# C4 p >
2 U g3 q- T5 o* y> - Ability to configure and set sample rates for the inputs.
* u. Y2 D% P" j r! C( O: L >
4 |3 ]- y9 I8 v$ A( C2 A> - Digital output on Transmitter that turns on during the sampling period.
* a+ b: I4 w; _2 E- J>
, o- P5 n) T# d- V> - Ability to configure a power saving Sleep Mode in the Transmitter by
1 j6 u; N4 K4 H$ ]* z& _> both software control and input hardware control.
! E) ~) M+ @# ?) N! f% b) g>
) Q# \# L, n `> In order to configure the units, we would need a way to make the
! {' G: K0 x+ q; e > settings. This would preferably be from a computer terminal so that
9 c" l2 Q) |0 p* N8 Z > configurations can be saved or easily duplicated for production volumes.
/ [* k# O9 F9 u) P4 J% S> The units should be small and compact with shielding, and able to mount
. d" ?" c& T1 ?; c> to a printed circuit board with header connector.
|: t& E, b+ [: L >
& U. D8 G# h! h+ J! A0 x6 J9 n > At this time, we are interested in samples of a pair of modems that
) X) v. I* a$ W > might be similar to this proposed system. We do not expect that you
) V( w1 s6 C2 w6 W8 d$ a> provide all of these specifications at this time. I can describe our
. f2 L5 E' Z, { > immediate application needs in the next email if this project is of
8 j: R& Z0 ^0 N> interest to you. Perhaps you can make the samples by those
7 v2 D: j8 D N2 @% ^ > specifications. This will allow us to test your radios before we move
, ?" [; ^% M, ?* U9 x> forward. We are interested in your 900MHz radio to start.
+ i; k" a$ p/ \/ G. z! u/ X; s
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