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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

$ O2 J# i4 ?' @' C: B5 U' P6 e: w 客户要求如下,如果哪家工厂可以做,请和我联系
' {! Z8 z1 G( C! g, ^ d> The application that we have in mind is similar to others that we commonly
+ C0 G- Y. b1 k > have. If we were to pay for FCC approval, we would want to use the modem
" R# l. ?) @# j> units in all similar applications under the same approval number.
$ E: D P- ^7 E; y5 H1 ?2 A$ p" O > Therefore, we would like to be able to configure the units to a specific
8 G% X, B8 A& J8 t0 X> application. For the business that we do, this approach will yield more
: E# |: p V/ C! Y- E% s6 ]> sales based on the same product and approval. We are interested in the
& e1 j; {, ]# w: w) E> following specifications:
8 ~6 k4 c! v" A" n; ?' s0 W>
& F% T1 D1 O! t> - 2 inputs at the Transmitter with three possibilities;
( g9 D' ]7 h& H$ y1 ^ > 2 analog
' a8 w) _. O4 l > 2 digital
" U0 M! |) w4 m; _. N' d> 1 analog and 1 digital
& ~9 e4 U! Y$ u# T7 H A >
) R" c% k% @' X+ Y> - 2 outputs at the Receiver with three possibilities to match inputs
6 X% ^6 u. n; O$ [) u' Z>
0 D* C$ u# V0 I* V > - Ability to configure/define analog Transmitter input ranges through
8 e3 `$ I7 X8 x$ p5 r > simple programming method to correspond with full-range analog Receiver
6 B; k M+ t: N( |7 ~) y# {+ {" t> outputs (0 - full voltage).
/ x* t% Q9 A6 s>
) w( b: Z! z1 r6 H) X > - Ability to configure and set sample rates for the inputs.
% H# o% j$ g8 W' }>
, B( ?. [0 i" J. `' X> - Digital output on Transmitter that turns on during the sampling period.
) r1 l9 L0 Z& d Z1 W >
. m" V0 v! @2 X- J+ a& X, b > - Ability to configure a power saving Sleep Mode in the Transmitter by
; c' |) c# c8 Y+ V> both software control and input hardware control.
/ \6 ?3 j' V& [9 K4 _ >
m* `$ W9 K3 \( s; a* {% L( A> In order to configure the units, we would need a way to make the
4 D6 P* {- l" e* M/ h0 { > settings. This would preferably be from a computer terminal so that
( B% P0 q: B: b$ ?> configurations can be saved or easily duplicated for production volumes.
, V0 N) T r# a; z1 |3 F( B > The units should be small and compact with shielding, and able to mount
; R- Q$ z. B: P5 M, X> to a printed circuit board with header connector.
1 ]8 `8 _) Q. L6 v$ M>
+ {% Y; |% K7 d* B6 m8 m. c" X > At this time, we are interested in samples of a pair of modems that
5 y3 I( s) E) z ^> might be similar to this proposed system. We do not expect that you
1 c4 t C% t8 R. Z > provide all of these specifications at this time. I can describe our
, R2 y: y! T; s& } > immediate application needs in the next email if this project is of
: A2 K. ?; w V4 S/ N* b6 k: ]+ ^; j, ?) g > interest to you. Perhaps you can make the samples by those
3 Z7 K+ V) G. ~+ W/ R > specifications. This will allow us to test your radios before we move
3 g7 i% T" }8 @5 v0 d) _8 e > forward. We are interested in your 900MHz radio to start.
0 X$ U' x; R0 J+ a- r Q9 ~) \
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