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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

# } R7 F" V* [$ t4 [客户要求如下,如果哪家工厂可以做,请和我联系
! P9 f; }" p/ P > The application that we have in mind is similar to others that we commonly
$ M2 W7 {# Z9 w% F1 B> have. If we were to pay for FCC approval, we would want to use the modem
9 [6 h& Q6 F; }* Q3 o- R5 B> units in all similar applications under the same approval number.
7 ^1 S9 h$ W: r, o' F+ s> Therefore, we would like to be able to configure the units to a specific
9 `4 X6 t) z4 M* V > application. For the business that we do, this approach will yield more
' _) d' ]2 X/ m4 f, ]6 I> sales based on the same product and approval. We are interested in the
8 G2 N3 w' X" O3 r: z6 Z" p > following specifications:
2 B Z$ y: c' }: C >
0 d, v1 W7 s5 S5 I# `( t5 ?1 \) j& m > - 2 inputs at the Transmitter with three possibilities;
) ?" E8 Y- X. M5 X> 2 analog
$ a) N5 h, d8 |; Z > 2 digital
* [+ T6 L& X- r7 O. Q* G2 } > 1 analog and 1 digital
$ d8 c1 R# J; q>
+ T) O4 y- Q' ?! I > - 2 outputs at the Receiver with three possibilities to match inputs
8 g/ Q: B0 W) D >
# {/ ^' r' Z1 e. M> - Ability to configure/define analog Transmitter input ranges through
/ R8 p5 {% @. c1 L4 j5 c( R u > simple programming method to correspond with full-range analog Receiver
# L+ P; \+ V5 H# p7 A > outputs (0 - full voltage).
% C4 R/ [9 Q" [0 U& H1 Q >
0 K9 M3 D5 x. m > - Ability to configure and set sample rates for the inputs.
9 c% T, J- s1 o6 k0 y' R>
2 ^1 o1 a+ H9 ~ }6 v+ Z3 \> - Digital output on Transmitter that turns on during the sampling period.
4 Y2 S8 h1 e; W* G>
m3 U" {0 L1 ~ > - Ability to configure a power saving Sleep Mode in the Transmitter by
: f! _& t1 z, A( _6 b0 d7 \ > both software control and input hardware control.
: f2 A" J, B6 N+ U% X8 C8 h>
. J4 L# P/ N/ z> In order to configure the units, we would need a way to make the
/ R/ r, i3 d. V9 M( b> settings. This would preferably be from a computer terminal so that
6 G+ y3 n" U' z> configurations can be saved or easily duplicated for production volumes.
/ f" ]+ i9 N. A4 G > The units should be small and compact with shielding, and able to mount
9 b# t4 t# o" I% V > to a printed circuit board with header connector.
! u4 _: i, p& R8 [ W, o) C% Y >
7 \% A/ d; M6 n> At this time, we are interested in samples of a pair of modems that
* B2 @# z$ G. o3 k z1 N( J> might be similar to this proposed system. We do not expect that you
. g$ ^/ S, ~: P> provide all of these specifications at this time. I can describe our
! O4 T& k) L$ I h. a4 P> immediate application needs in the next email if this project is of
5 v- y6 D U$ s6 H> interest to you. Perhaps you can make the samples by those
# U% c& @$ _- V: T0 `9 @> specifications. This will allow us to test your radios before we move
0 Q* _0 q% Q7 c$ y# d: h: ]5 L! a> forward. We are interested in your 900MHz radio to start.
8 h9 q- e: p4 r& C: W3 ]' k
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