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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

4 Q; S% [" ], l$ Q" b% d+ z客户要求如下,如果哪家工厂可以做,请和我联系
, a& S1 I& ~1 R9 U3 P$ d > The application that we have in mind is similar to others that we commonly
! v% ?+ H9 t$ f+ l9 x4 _> have. If we were to pay for FCC approval, we would want to use the modem
4 I; c% { x! p- A+ J. G1 H> units in all similar applications under the same approval number.
$ q4 U! S, P" N/ y > Therefore, we would like to be able to configure the units to a specific
4 v- S! Z8 ^2 ?9 l3 i* ^4 s; D> application. For the business that we do, this approach will yield more
X- M/ A% L1 y5 T2 p> sales based on the same product and approval. We are interested in the
5 K' b7 x+ f, R. s5 t> following specifications:
, @) N# X9 o3 |8 F& g# x) z >
+ X$ G7 s$ |. o1 l1 ]5 z5 M: {$ C> - 2 inputs at the Transmitter with three possibilities;
a5 J" p+ a8 l C> 2 analog
6 e3 }* `, t6 _* L' \4 n > 2 digital
- a0 E% }2 M o > 1 analog and 1 digital
9 C o$ o4 r# G0 h- @$ |9 _ H* r >
n6 m% E7 b, o8 q, }& e7 K. f: ?> - 2 outputs at the Receiver with three possibilities to match inputs
6 @' ?' p/ T. n0 Q >
( L; g: z$ G, a* X' E > - Ability to configure/define analog Transmitter input ranges through
@0 k" v7 A/ R# |> simple programming method to correspond with full-range analog Receiver
. L: `5 Z/ o' b! C, ~' N> outputs (0 - full voltage).
8 w( K$ a( d U( Q% m>
) I, G- [' y, y) i; s: @0 ]> - Ability to configure and set sample rates for the inputs.
( I% x; h% c+ `' R2 ]# Q5 I1 e >
6 ]2 {' j; w2 n ~1 O6 e> - Digital output on Transmitter that turns on during the sampling period.
( t" u8 y, V" q |, w( e >
# G4 z4 J* ~% E/ W/ R5 B) Y5 `> - Ability to configure a power saving Sleep Mode in the Transmitter by
. _8 [, L% B6 v5 K) M+ W: R# k! p > both software control and input hardware control.
1 |7 G/ c. O: T5 k) U/ F5 ?- j5 Q >
. \; }, |. ~6 Z8 T. _ > In order to configure the units, we would need a way to make the
) e1 o8 i$ P* i: N. `> settings. This would preferably be from a computer terminal so that
$ P: a7 C$ l3 Z$ S( Y> configurations can be saved or easily duplicated for production volumes.
/ l: v/ z, E3 X; O> The units should be small and compact with shielding, and able to mount
: A; ~) M S* ^% Z% q% W" B > to a printed circuit board with header connector.
5 t* k$ c& J* D. T, D: [ >
, Y/ `0 u& c* L: E > At this time, we are interested in samples of a pair of modems that
- v& L4 c m% c5 _4 Q> might be similar to this proposed system. We do not expect that you
, I. k: Y/ `! L" W> provide all of these specifications at this time. I can describe our
( b# _4 J$ j, m h/ s* D > immediate application needs in the next email if this project is of
6 f' t1 F' d. b7 _5 t: D1 p+ d+ D> interest to you. Perhaps you can make the samples by those
/ ^4 u7 B( U- H > specifications. This will allow us to test your radios before we move
/ g2 d' K7 L6 Y, ?1 ]> forward. We are interested in your 900MHz radio to start.
( c! h$ E' a. j5 d; {; e
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