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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

& h- O7 `- G: s+ R7 Y客户要求如下,如果哪家工厂可以做,请和我联系
4 M0 S2 B1 e7 {: R: N> The application that we have in mind is similar to others that we commonly
! @) u7 }% G6 l6 Q" k6 J, C> have. If we were to pay for FCC approval, we would want to use the modem
3 l' a4 u% ^( [! [> units in all similar applications under the same approval number.
0 {. l" x6 H+ K" u8 d8 c$ h/ m7 p/ B' {+ k > Therefore, we would like to be able to configure the units to a specific
3 W* f A% T% z* s) n$ h > application. For the business that we do, this approach will yield more
; v* U+ g' c2 E. M" _ > sales based on the same product and approval. We are interested in the
5 ~8 p8 c7 e& @! w; ]0 F6 H+ G > following specifications:
) f: M6 u, n* \) s$ [* \" \3 I, x >
* D) c3 S* ]' d0 o* s > - 2 inputs at the Transmitter with three possibilities;
# g$ Y, M- J' n+ U/ Z6 X> 2 analog
# m% a9 ?3 w' ~8 l5 H0 n > 2 digital
3 i2 O! e% |. b F! k/ c: L9 e9 k > 1 analog and 1 digital
/ C2 _. J2 o' H+ I/ p- m# l' Q5 g6 V>
4 n; Y& Y' W3 @4 Q- i > - 2 outputs at the Receiver with three possibilities to match inputs
; m9 U: X2 O, R$ T3 p! H>
; [( {& a3 ?9 J. M, K# a2 { > - Ability to configure/define analog Transmitter input ranges through
+ W) [% x# X- I+ f4 o> simple programming method to correspond with full-range analog Receiver
a4 ~# D* G8 I# Z- o2 X' s > outputs (0 - full voltage).
: \1 f" `3 G+ B# w>
: Q5 j* b% A2 p4 X > - Ability to configure and set sample rates for the inputs.
8 r! `$ D1 m8 n6 |1 c- v$ G >
. @9 ~# T4 R1 \; E> - Digital output on Transmitter that turns on during the sampling period.
6 T; v* j! F& I>
. y; d, J$ o- B8 u > - Ability to configure a power saving Sleep Mode in the Transmitter by
- R1 o1 {3 g5 D9 @5 L! I; W9 s > both software control and input hardware control.
, ]( f. C% U2 s) f. G! b% o* G>
0 R3 ~3 j+ |9 Z- _% y% Q9 ? > In order to configure the units, we would need a way to make the
* C+ I9 s: T1 D0 ?( ?4 E> settings. This would preferably be from a computer terminal so that
7 C4 r7 N. [0 y> configurations can be saved or easily duplicated for production volumes.
4 E$ ^1 j' O; O! e7 `> The units should be small and compact with shielding, and able to mount
* i, k2 g! M; u+ ], B8 t, ~2 [ > to a printed circuit board with header connector.
0 y& n! [! v) q/ c0 T% Q2 D- F/ J* ?. }>
( Y5 a" C- I5 y. n9 M- V> At this time, we are interested in samples of a pair of modems that
8 \8 t2 O8 o2 M; p4 n> might be similar to this proposed system. We do not expect that you
$ W+ O' c2 Q' X$ ^/ k" q> provide all of these specifications at this time. I can describe our
' {& W) ]6 a4 v9 g" z > immediate application needs in the next email if this project is of
6 n! W3 T/ ^- y! ^2 W }4 w2 D% m" X > interest to you. Perhaps you can make the samples by those
9 y% j [' f- B5 k+ H- Z! o. U> specifications. This will allow us to test your radios before we move
6 j' |( J i3 m e5 R' o" s S> forward. We are interested in your 900MHz radio to start.
+ U9 l( H! N. `" h7 a. o0 H
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