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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 p9 _! k( j$ m 客户要求如下,如果哪家工厂可以做,请和我联系
3 A+ m% h* ]8 K> The application that we have in mind is similar to others that we commonly
* {7 P$ F( ^+ s, \ I$ F > have. If we were to pay for FCC approval, we would want to use the modem
, Q9 `4 G, |$ B2 x> units in all similar applications under the same approval number.
+ i8 I$ x( l t0 J$ w) q5 q6 h; l4 ]> Therefore, we would like to be able to configure the units to a specific
: F! p. @ e# n+ q- Q, l$ t0 {+ d> application. For the business that we do, this approach will yield more
/ I- X' ]9 G D# ~> sales based on the same product and approval. We are interested in the
9 N) R' O; E1 [> following specifications:
+ p& p" h( t1 A8 H- r( E/ @ >
, F9 |2 e9 ^6 G, p) L! E4 O > - 2 inputs at the Transmitter with three possibilities;
$ o8 a5 ~. w) @: }: F> 2 analog
$ m5 I# _: P6 P$ J7 e, F4 w7 ? > 2 digital
) D2 X3 e5 A2 z5 w8 g, M- _ > 1 analog and 1 digital
" f* x, K: [) r) z* u4 e' e# ?# }>
/ _7 Q+ }1 F: X8 F > - 2 outputs at the Receiver with three possibilities to match inputs
/ D7 V" z2 `2 [$ w >
2 m, ~% v. J" c/ [) w" [ > - Ability to configure/define analog Transmitter input ranges through
7 V* a3 k# s6 } I' s: ^ > simple programming method to correspond with full-range analog Receiver
; s. A* F* B& |! @- {. Z0 H. l > outputs (0 - full voltage).
8 @: Z6 w) u7 _ H% B1 ~>
" W$ S+ x9 o6 G3 |; d S# k> - Ability to configure and set sample rates for the inputs.
* M+ h! b) A; t2 C* H8 I>
! J' ?( d y/ \% y6 d, _ p > - Digital output on Transmitter that turns on during the sampling period.
; K7 N! z$ c$ N- ?* Y5 G ~8 y >
6 [1 }) E9 {& O5 E1 x$ v4 V> - Ability to configure a power saving Sleep Mode in the Transmitter by
3 i4 D6 A+ H* v& Y& b: i* |1 N > both software control and input hardware control.
" ?' U" f" P! x >
# K# j4 `; e- H" S8 B( U> In order to configure the units, we would need a way to make the
* T7 u) |$ d1 G* f# V. u8 g> settings. This would preferably be from a computer terminal so that
+ ^6 ^/ l; t7 S) K/ S( m> configurations can be saved or easily duplicated for production volumes.
@2 X+ v1 ]! ^- ]2 R$ v4 Q> The units should be small and compact with shielding, and able to mount
4 {1 H0 C# {( G6 ^3 X> to a printed circuit board with header connector.
0 h! o7 |: X9 A9 y1 c$ J6 j& A' ] >
( f4 Y- u( F& O0 X' b9 |8 g6 e > At this time, we are interested in samples of a pair of modems that
+ v, |# V' m9 K2 b9 W: t) Q+ y > might be similar to this proposed system. We do not expect that you
7 q& q/ j+ ~& i. m; U7 b > provide all of these specifications at this time. I can describe our
7 J) G% |) U5 E3 F> immediate application needs in the next email if this project is of
+ |! L0 X0 { P7 k5 I> interest to you. Perhaps you can make the samples by those
2 [, r O. g8 t [% [8 Z > specifications. This will allow us to test your radios before we move
* g; p. ~* p; |. Y6 m7 _7 B> forward. We are interested in your 900MHz radio to start.
! n) G* C' j. F! X
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