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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

z6 s+ A' C/ a* D2 y: G/ X客户要求如下,如果哪家工厂可以做,请和我联系
; |/ i; V" D7 y. l& q > The application that we have in mind is similar to others that we commonly
3 D' J1 z% J+ H( m> have. If we were to pay for FCC approval, we would want to use the modem
0 I/ ~+ N. `' Z2 x5 _' R> units in all similar applications under the same approval number.
( d- N* `( X) a> Therefore, we would like to be able to configure the units to a specific
& N7 i, B8 g' u, ]& ~/ f > application. For the business that we do, this approach will yield more
! i$ ~$ ?# E. z > sales based on the same product and approval. We are interested in the
" a4 u, m( B* U4 |> following specifications:
J! h1 f% M' \) J, i3 s8 n; d) W9 [ >
) x- x3 i, P0 N > - 2 inputs at the Transmitter with three possibilities;
9 [8 c: A1 o+ V2 I8 f% ~$ ^6 B> 2 analog
. e8 ^( B4 f" u2 n > 2 digital
& [$ c5 P- E1 [8 ]" C> 1 analog and 1 digital
( j9 ?4 j, n+ D >
5 ^( X' I* ^7 \7 B> - 2 outputs at the Receiver with three possibilities to match inputs
. `- C, B: ~ F* Y. S% {; s H7 ~>
9 X. `5 G4 s( @( u > - Ability to configure/define analog Transmitter input ranges through
; }1 v/ \9 ]2 ]9 Q; P) F) n > simple programming method to correspond with full-range analog Receiver
( k5 [$ U1 i; r" S: O. J$ O > outputs (0 - full voltage).
+ ~7 X( k4 j6 c" N1 z>
5 b; f. L: y/ T. w- }- s9 D> - Ability to configure and set sample rates for the inputs.
# U* q# M' Z; D% I1 P' K. m>
: W/ U4 \; V/ X5 ^) \6 ]1 _ > - Digital output on Transmitter that turns on during the sampling period.
8 M2 y5 j: s& G9 f2 W: r>
& ~7 N ]8 U7 l8 a, l > - Ability to configure a power saving Sleep Mode in the Transmitter by
" A& y$ E; p0 x U. _2 Q, n > both software control and input hardware control.
. ]" f8 b$ H# D>
3 s, H3 N- I. S> In order to configure the units, we would need a way to make the
7 Z' f* R+ }! p4 w1 ^9 t> settings. This would preferably be from a computer terminal so that
' d$ n. q. Z# c& g% C+ w> configurations can be saved or easily duplicated for production volumes.
, ^( Z' M/ w7 u$ v n. n. {! J > The units should be small and compact with shielding, and able to mount
7 G5 m) c- m/ R0 @; K> to a printed circuit board with header connector.
+ h: F d# Y+ R1 ]$ @' s >
2 Z! w+ K: {; O4 M9 U > At this time, we are interested in samples of a pair of modems that
& g6 K f' ]( n# ]) ~# |9 \5 b$ | > might be similar to this proposed system. We do not expect that you
+ ?( q+ k y9 _9 r# w> provide all of these specifications at this time. I can describe our
/ b2 j* d; \2 _ > immediate application needs in the next email if this project is of
+ C# D4 u$ C( H. k/ C1 Y& M > interest to you. Perhaps you can make the samples by those
' S* `- [* u. ~- C" m- {, |> specifications. This will allow us to test your radios before we move
& G e6 w6 o3 b( i% u& L' u> forward. We are interested in your 900MHz radio to start.
; W# `9 u8 c2 v
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