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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

& T8 z3 L5 _. j. \+ W' D4 w客户要求如下,如果哪家工厂可以做,请和我联系
7 b! O6 t7 Z# u7 R: I b1 \ > The application that we have in mind is similar to others that we commonly
% U. ~; c$ n/ b( @ > have. If we were to pay for FCC approval, we would want to use the modem
" y/ u0 u, N/ P; _$ w> units in all similar applications under the same approval number.
4 S* ?3 w" f, Y* p+ b+ C > Therefore, we would like to be able to configure the units to a specific
* g$ A5 @* K, y+ V > application. For the business that we do, this approach will yield more
% M, z z* L: r2 D> sales based on the same product and approval. We are interested in the
: P( x# q+ i0 j; k> following specifications:
, j$ H. @4 S% r$ g>
% ?8 N7 j: s. [2 N6 `0 f( h > - 2 inputs at the Transmitter with three possibilities;
- r5 p/ d. O/ f% u2 Q. O> 2 analog
6 \$ T, w, J& K6 R* o9 w > 2 digital
% K/ X1 B- q: }> 1 analog and 1 digital
% B2 ~- r* z" Q* S' o. T" k. d>
; ?$ i' t! B l > - 2 outputs at the Receiver with three possibilities to match inputs
6 ~7 W- S2 P5 H+ P>
; w0 F$ Y0 H! b9 \, l9 _ > - Ability to configure/define analog Transmitter input ranges through
- S7 F3 Y: J7 U > simple programming method to correspond with full-range analog Receiver
5 x& d S6 _* \- @. l. D> outputs (0 - full voltage).
8 C- O% q. q1 C w+ x# V- U, E6 x( L>
8 ]! T& V7 |& y7 \> - Ability to configure and set sample rates for the inputs.
3 n3 z' o. L, N# k& w >
1 ^2 X) `: e$ `7 l> - Digital output on Transmitter that turns on during the sampling period.
3 m1 k' B3 K* K( b1 q$ p0 o >
" u" N6 h: R6 P6 h% H. b> - Ability to configure a power saving Sleep Mode in the Transmitter by
- } Z3 w. d' _' P$ I4 p5 m1 i > both software control and input hardware control.
% G4 B6 g2 w6 a5 E1 {5 T) H >
7 S0 } G) X9 @> In order to configure the units, we would need a way to make the
/ [/ e2 [) Z x: H1 z> settings. This would preferably be from a computer terminal so that
6 ^/ f4 M j2 w > configurations can be saved or easily duplicated for production volumes.
. k! u' I. R1 X3 Q U4 K> The units should be small and compact with shielding, and able to mount
. N5 [6 i4 ]6 c3 f" g0 a> to a printed circuit board with header connector.
# D* I2 O/ ^$ F0 y. D7 }8 ^>
3 W) _: P$ N0 t* l' M5 h0 f> At this time, we are interested in samples of a pair of modems that
2 u! l! O2 b% i3 Q# v6 f> might be similar to this proposed system. We do not expect that you
! I% p' r/ E0 R > provide all of these specifications at this time. I can describe our
: O$ z8 V2 M+ ^2 \1 i> immediate application needs in the next email if this project is of
& ~7 ]1 ?0 o+ D4 m > interest to you. Perhaps you can make the samples by those
3 {3 b$ v: p' t> specifications. This will allow us to test your radios before we move
9 m5 b. u d! e1 n> forward. We are interested in your 900MHz radio to start.
7 Y' e; ~9 j3 D5 E% n3 `7 H
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