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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

) I" H* S2 t; E6 h% J 客户要求如下,如果哪家工厂可以做,请和我联系
6 C7 \+ H, v: \" y- H; I > The application that we have in mind is similar to others that we commonly
( ~$ B( V0 a4 S% I+ J* @: A+ _> have. If we were to pay for FCC approval, we would want to use the modem
7 o6 C+ _% V0 i0 K/ ]5 J& H/ E( }> units in all similar applications under the same approval number.
: w8 a" H0 g' i! {; G, i9 ^; ^0 r+ s> Therefore, we would like to be able to configure the units to a specific
/ A- w: C* K' f: S/ e/ |8 B4 _> application. For the business that we do, this approach will yield more
$ `9 H+ {: L- V5 j/ B> sales based on the same product and approval. We are interested in the
! F; W% _/ r7 T; V. t1 m6 T> following specifications:
: p7 M! a: Y. y0 U>
% n; G2 Z3 S$ d+ \: S> - 2 inputs at the Transmitter with three possibilities;
5 r' u& b2 M* e, K2 e! b. Q) [> 2 analog
/ M- u9 b" k3 ]- ~% J- b> 2 digital
' W5 t+ N `( T' |8 M) w& w1 p# P7 T$ M> 1 analog and 1 digital
7 R* L. c* x k6 K# K>
2 H( t# N5 u* d4 y2 u> - 2 outputs at the Receiver with three possibilities to match inputs
, O8 `! S3 F( j* [3 K8 m' T2 |# @ >
5 H( K2 A0 Z) r2 f0 |' d; Z) g# S> - Ability to configure/define analog Transmitter input ranges through
7 k! X& C8 K2 B/ w& S7 d+ S. s9 y> simple programming method to correspond with full-range analog Receiver
# ?4 T; ~! d P. Y% c5 V& o> outputs (0 - full voltage).
: g% M2 t4 q" V- x# I >
) ?# e2 f" I C> - Ability to configure and set sample rates for the inputs.
8 t3 e( g2 M" K8 U/ Z/ S- V. s >
! y9 ^8 h& ?; ?" v' N> - Digital output on Transmitter that turns on during the sampling period.
7 ^! v, X2 S3 w8 b& \" E >
3 o \7 X: N J> - Ability to configure a power saving Sleep Mode in the Transmitter by
/ U, p( V7 I* z. }, p( I > both software control and input hardware control.
6 @0 C! ^5 T5 D% m>
7 Y/ ^: a. u2 j: F> In order to configure the units, we would need a way to make the
1 h5 R2 J0 l6 f: W7 f+ H& Q- ~' \ > settings. This would preferably be from a computer terminal so that
, }. q* }$ ]; O> configurations can be saved or easily duplicated for production volumes.
+ l7 w3 ~# z t6 T# G) @/ v > The units should be small and compact with shielding, and able to mount
0 O2 n6 F) }3 D2 b( z1 K > to a printed circuit board with header connector.
! P0 p5 H) u$ B. K% I( g>
& K; b) y, S# v0 g% B& N > At this time, we are interested in samples of a pair of modems that
+ A( J' F. h l- W+ Z6 p> might be similar to this proposed system. We do not expect that you
* G' c; u: P5 K$ a > provide all of these specifications at this time. I can describe our
& J R& z$ O3 T4 P% T) z > immediate application needs in the next email if this project is of
% I3 M3 h5 y) S L> interest to you. Perhaps you can make the samples by those
$ |3 Z2 G8 m" F8 q > specifications. This will allow us to test your radios before we move
/ U- A* X- X+ ^$ m> forward. We are interested in your 900MHz radio to start.
8 y' g3 |) |. \8 p! Y; P
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