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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 C+ r- h) Y- t1 X" J' T8 y 客户要求如下,如果哪家工厂可以做,请和我联系
$ @8 w' x, h. c! A6 h& Z) ]: M > The application that we have in mind is similar to others that we commonly
- I9 t9 g" t1 K+ G N: b > have. If we were to pay for FCC approval, we would want to use the modem
: T8 l+ [9 V8 B9 C% c( q' p! f8 H > units in all similar applications under the same approval number.
2 y, r1 u0 O% u > Therefore, we would like to be able to configure the units to a specific
0 C3 j n6 \6 I% R7 d2 d+ ?> application. For the business that we do, this approach will yield more
1 u8 z, F; y: e$ Q2 }4 i, U> sales based on the same product and approval. We are interested in the
; u9 M) @2 ~5 e0 r' r) z> following specifications:
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) @( J& b6 t) N! v( L% C \> - 2 inputs at the Transmitter with three possibilities;
% ^9 X# T; S- q* Q9 p1 c7 \ > 2 analog
( i) v6 e- ]8 A) X6 P: k$ s9 r7 S > 2 digital
1 U* H9 @5 C( w6 |: `- }2 Z > 1 analog and 1 digital
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# u: ]5 o; E* [$ P5 g3 Q: P# d- u > - 2 outputs at the Receiver with three possibilities to match inputs
9 s6 z0 X. D! @7 P >
( k' V4 `9 i+ Y6 T > - Ability to configure/define analog Transmitter input ranges through
- b6 T" o! v) q6 x> simple programming method to correspond with full-range analog Receiver
1 J# k: h0 \, _! B > outputs (0 - full voltage).
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' V* q% |: }! N5 M) T* ]0 i. R> - Ability to configure and set sample rates for the inputs.
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+ J, i3 H3 V6 a$ p6 A8 E [8 J> - Digital output on Transmitter that turns on during the sampling period.
" n2 O) H: L# l. |5 A k>
u1 C3 {% q# P& t > - Ability to configure a power saving Sleep Mode in the Transmitter by
' l7 o8 N% R! c; W" e > both software control and input hardware control.
/ u9 ~; M0 l. N- o>
# S* j: s/ F; y) Y2 f# w. X, Y1 o1 \8 c> In order to configure the units, we would need a way to make the
5 Q9 [2 A# Z" A/ Y, m! `> settings. This would preferably be from a computer terminal so that
7 O1 B9 x) S8 l* D7 O4 K1 }: f> configurations can be saved or easily duplicated for production volumes.
8 u/ f- y2 T2 H q( |8 i' n> The units should be small and compact with shielding, and able to mount
' y( j4 l$ x( t > to a printed circuit board with header connector.
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7 w6 U, ~7 ^5 C> At this time, we are interested in samples of a pair of modems that
8 ]) Y- `& b3 { ?/ l4 K' p A > might be similar to this proposed system. We do not expect that you
' \' j" I7 J9 |7 C& x> provide all of these specifications at this time. I can describe our
% ]# s$ |& B( ]; y# `> immediate application needs in the next email if this project is of
/ Z1 b' x3 j& D) m0 d( B > interest to you. Perhaps you can make the samples by those
9 s8 z% K+ d2 J3 M, H> specifications. This will allow us to test your radios before we move
* I. x3 X; j/ D* T > forward. We are interested in your 900MHz radio to start.
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