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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

7 ~: l3 U6 x& i' Y1 F8 K2 \* \ 客户要求如下,如果哪家工厂可以做,请和我联系
3 U& l* R: T" T" W! R9 L% x" V- e> The application that we have in mind is similar to others that we commonly
6 y4 J, k' r" E, l% c5 n > have. If we were to pay for FCC approval, we would want to use the modem
; @/ E: G8 I/ f6 ]' b> units in all similar applications under the same approval number.
5 R+ F+ {! X! d7 x> Therefore, we would like to be able to configure the units to a specific
B3 ^' ]1 c$ b1 ?% R, S$ `! }/ E> application. For the business that we do, this approach will yield more
/ h i( }. ~8 |( G: _& }8 G& U> sales based on the same product and approval. We are interested in the
! ?7 Y$ u0 E$ V$ B5 L/ d > following specifications:
5 Q( {: Q$ r9 ] >
& f, b- K0 e5 C5 l2 i/ R> - 2 inputs at the Transmitter with three possibilities;
. P" e7 L7 k/ v9 `& P( ]' a( p" U> 2 analog
, m; p( c C( u8 V > 2 digital
( C: l3 B6 k) @$ H& u. F > 1 analog and 1 digital
% S: O+ k A% Y >
6 x4 J/ Q, J' a> - 2 outputs at the Receiver with three possibilities to match inputs
6 ]& |7 _8 c& w% _% m>
/ o# {7 B3 p" @ > - Ability to configure/define analog Transmitter input ranges through
; N0 c3 ^2 |) B> simple programming method to correspond with full-range analog Receiver
: i7 c8 w" f# N6 }6 H > outputs (0 - full voltage).
+ N: K3 b; u$ V3 r' T >
1 t4 @- n- k E c2 b B. z> - Ability to configure and set sample rates for the inputs.
T D3 h# Z! M" x>
$ }- {+ g$ c& l0 k > - Digital output on Transmitter that turns on during the sampling period.
& ?* q0 [$ @! @% u! k9 F1 n>
7 L& k) y e9 y3 l> - Ability to configure a power saving Sleep Mode in the Transmitter by
' o4 e: u, B* d2 G3 J' [5 m8 V. b/ n> both software control and input hardware control.
& V, d5 t8 B2 x( c' `0 `>
1 c( A; F% b/ @ > In order to configure the units, we would need a way to make the
* k0 U8 u! B3 a/ F, y. F) v" ?( v8 U; ^ m> settings. This would preferably be from a computer terminal so that
# c( n; k# n; {: ?; z: p > configurations can be saved or easily duplicated for production volumes.
4 H+ t# J& R3 r: [6 r > The units should be small and compact with shielding, and able to mount
% S' M! ]- V3 r! h > to a printed circuit board with header connector.
: u4 u" O' P; M0 G6 Z>
# n. q. \7 B- J+ {! q( l& W. o! h+ |> At this time, we are interested in samples of a pair of modems that
" P4 a$ c9 ^; Q > might be similar to this proposed system. We do not expect that you
6 U- P2 v. `: C+ }" E> provide all of these specifications at this time. I can describe our
6 [' j2 Q- V3 L+ T3 H> immediate application needs in the next email if this project is of
+ J* f) M0 W: M8 o7 W1 J6 C$ W$ K > interest to you. Perhaps you can make the samples by those
" l. b% [% S, c e0 i) c& | > specifications. This will allow us to test your radios before we move
4 `( u3 Q+ [8 `5 _9 a/ v1 a > forward. We are interested in your 900MHz radio to start.
0 |2 y W4 r4 g
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