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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

, {3 T' ]9 }1 u客户要求如下,如果哪家工厂可以做,请和我联系
4 e: y- d& }5 B& V9 |! ^> The application that we have in mind is similar to others that we commonly
: _' f, F/ y% U2 e$ ^: N > have. If we were to pay for FCC approval, we would want to use the modem
: |, _4 W$ ?; o4 ^1 F/ r. Q* d1 l o > units in all similar applications under the same approval number.
; b8 L2 F" I1 y% i5 z# ~ > Therefore, we would like to be able to configure the units to a specific
8 f( v1 D' p" n! z4 y& m. B: m> application. For the business that we do, this approach will yield more
; v' Z2 B' B$ b/ e K> sales based on the same product and approval. We are interested in the
9 K7 S* }, a) p+ K4 V> following specifications:
; T7 ?2 r/ w6 V5 h>
$ T5 M2 S7 b$ r/ b/ C, ` > - 2 inputs at the Transmitter with three possibilities;
4 `: f/ i8 g$ f3 p. ^' i > 2 analog
7 u! I& M7 B9 v2 q; ^- J> 2 digital
5 B( h: l8 C; a: ?> 1 analog and 1 digital
: j1 T: Y1 @3 w% w( m/ Q >
0 s4 S' m8 b% ^- M# m> - 2 outputs at the Receiver with three possibilities to match inputs
- X; P- ]" w: W7 O; T>
+ s6 i1 m# ?9 L) e, T: _ > - Ability to configure/define analog Transmitter input ranges through
$ z1 a; ~, h: u, E9 G: L > simple programming method to correspond with full-range analog Receiver
# U1 S" X3 b& K) | > outputs (0 - full voltage).
+ f( V2 e, ~. p3 @6 {2 w>
]7 [ n1 G% i2 H v, [ A" B! Q > - Ability to configure and set sample rates for the inputs.
' e ?0 m \; B8 b- t$ P: |4 t >
* Y4 P" ^, }. h) l$ v n4 ]" } > - Digital output on Transmitter that turns on during the sampling period.
2 u0 D/ R. O, l0 C% Z; I>
$ P1 { O( A" W7 V0 y! l > - Ability to configure a power saving Sleep Mode in the Transmitter by
3 ~" ^8 i( N- `2 m' Q > both software control and input hardware control.
e; I# Z r7 _! _* U" N' X3 q2 a >
0 P+ `) Y `/ c7 U0 E: t > In order to configure the units, we would need a way to make the
& w* ?8 L5 ~5 t* r( T> settings. This would preferably be from a computer terminal so that
9 T M9 T, L1 ?9 c9 l3 b) ~ > configurations can be saved or easily duplicated for production volumes.
% Y$ u+ _3 F1 b- s > The units should be small and compact with shielding, and able to mount
2 D( ?4 H4 [/ }8 `6 N$ A: x7 [ > to a printed circuit board with header connector.
3 p6 c8 J O t( l >
5 a H& x/ @/ y! I- U > At this time, we are interested in samples of a pair of modems that
* T T; y8 Y& G: b/ j$ I> might be similar to this proposed system. We do not expect that you
) t" x3 M) A3 b$ s2 D" u> provide all of these specifications at this time. I can describe our
3 U7 }- g5 k- [, D2 ]# g4 \ > immediate application needs in the next email if this project is of
& N/ h3 W& ?! W9 y$ r+ V> interest to you. Perhaps you can make the samples by those
" r5 M! G- N8 T: i > specifications. This will allow us to test your radios before we move
/ N8 D$ F: E( j' d, J6 z5 t > forward. We are interested in your 900MHz radio to start.
( `5 h; ?* c( x( O0 [1 ^6 ~
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