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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

1 o) x2 O2 k, r R 客户要求如下,如果哪家工厂可以做,请和我联系
7 q( d8 E0 Y/ M ~: ^6 B$ M > The application that we have in mind is similar to others that we commonly
5 x/ H( A' U, S+ |) A+ s/ n> have. If we were to pay for FCC approval, we would want to use the modem
' c- \0 H6 E, g7 L: H) ?8 R$ {7 l* b1 r> units in all similar applications under the same approval number.
' T/ i5 N+ I* F! S) s& d7 c> Therefore, we would like to be able to configure the units to a specific
( p" C% e: L5 P8 J$ x> application. For the business that we do, this approach will yield more
3 J. b& p7 x" j6 b1 A ^4 i > sales based on the same product and approval. We are interested in the
3 C4 U% r. I9 F2 W+ r( C& e> following specifications:
, \! ^3 J- S% b2 ^0 M3 h E>
" w1 C& V& K( F! U K K! Z2 l> - 2 inputs at the Transmitter with three possibilities;
+ z& R$ W3 j* L7 A > 2 analog
, m. U! v7 T {4 k( Y> 2 digital
7 L' `. G0 x3 L+ e3 ^ > 1 analog and 1 digital
6 t% W) v2 @. z0 u ~>
* t6 N- a% t! F > - 2 outputs at the Receiver with three possibilities to match inputs
% n0 x5 ]% G* t" Q/ C >
; ?/ u4 D2 S; _8 V3 A# k' Q* k> - Ability to configure/define analog Transmitter input ranges through
7 x0 W+ V# p: |# l8 I) I > simple programming method to correspond with full-range analog Receiver
8 P2 B: w O6 ~) n9 m> outputs (0 - full voltage).
i7 y0 L% v1 R; U: `. _ >
, ?4 |' q+ f, u7 S! K7 N L( R> - Ability to configure and set sample rates for the inputs.
5 D1 |; Y! f) v* x" T8 p1 y3 d. e>
& [* |7 ^6 g) s# P6 o+ Y- Q% }0 o > - Digital output on Transmitter that turns on during the sampling period.
; k/ A( E& P( Y4 r) o% { >
, t1 ?) K1 G$ k( f5 J> - Ability to configure a power saving Sleep Mode in the Transmitter by
* ]1 b! L9 a0 A3 R > both software control and input hardware control.
5 Z& v* m* Q/ Y5 Q$ T! b& M- m) o9 {. ?, `>
0 Y+ ~. ^' Y9 h; i o# k) q4 I> In order to configure the units, we would need a way to make the
L9 C( \9 a$ Y) \: g! L > settings. This would preferably be from a computer terminal so that
" Z; n; |$ K: Y9 J> configurations can be saved or easily duplicated for production volumes.
# ]7 j$ x( a' f1 x: X! B* D> The units should be small and compact with shielding, and able to mount
# W$ K/ F& ~. ~ ~" G4 y > to a printed circuit board with header connector.
# I1 J# J0 g2 w; [- V >
$ K5 u5 O' s/ b5 O> At this time, we are interested in samples of a pair of modems that
% P( \& b- B! Z0 ^7 F0 D > might be similar to this proposed system. We do not expect that you
4 z' v- {4 T5 z( v$ [ > provide all of these specifications at this time. I can describe our
; n% b7 c) j1 x> immediate application needs in the next email if this project is of
! i' @; o& [8 n- t$ m1 [ > interest to you. Perhaps you can make the samples by those
" S. X W3 V T6 [ > specifications. This will allow us to test your radios before we move
( ]& L: P; \9 \3 L+ b6 g0 T > forward. We are interested in your 900MHz radio to start.
# z( Q7 O3 U. D# X
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