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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

, a2 [ G- E/ _& j! H/ g 客户要求如下,如果哪家工厂可以做,请和我联系
$ Z7 E U8 K) k5 i. }$ _. M: h> The application that we have in mind is similar to others that we commonly
- m# x6 Y1 _9 _1 \5 Q1 s. { > have. If we were to pay for FCC approval, we would want to use the modem
B5 V7 B* _; _% C> units in all similar applications under the same approval number.
7 J+ W8 i) m! s6 Z7 ~9 W9 k> Therefore, we would like to be able to configure the units to a specific
2 i' h3 w, `& o, o3 H8 T. n > application. For the business that we do, this approach will yield more
; I4 Q& N9 m9 M > sales based on the same product and approval. We are interested in the
, J% P( [" ]% V- K/ I > following specifications:
" ~! b& w s; h$ n& K* E8 I7 U >
; b% c( L/ N! \1 r* j ?! l > - 2 inputs at the Transmitter with three possibilities;
+ ]3 Q/ ]& a* N1 b; i/ c > 2 analog
, N' a" W- @/ S3 q/ Y* ~+ m1 [- S> 2 digital
4 B# M1 ^: d$ }$ C4 C. l: Y > 1 analog and 1 digital
- t1 w+ f* h0 o9 F >
0 q1 M/ k3 k Q# y2 d- i* K9 ]& C > - 2 outputs at the Receiver with three possibilities to match inputs
' Z5 p2 K& p2 f* {+ C" }, H6 k! O>
! e& T7 p6 B% Z- m > - Ability to configure/define analog Transmitter input ranges through
# n3 A6 o3 j5 d0 s5 e8 a# p* V+ t- W> simple programming method to correspond with full-range analog Receiver
4 m N u8 u+ ~5 z> outputs (0 - full voltage).
* G4 _) \7 O2 c( o) G2 m >
5 b E$ C; `* P8 o> - Ability to configure and set sample rates for the inputs.
- b7 `) u: D, p4 W# `& _: {3 m% p >
" Z. G- d* [6 T5 v8 m5 @" l> - Digital output on Transmitter that turns on during the sampling period.
; p3 ]) ?, D J% Z7 S2 C3 u>
* B* i0 {. j m7 a" ?. C( \. y3 g > - Ability to configure a power saving Sleep Mode in the Transmitter by
2 w7 r* p8 W7 r> both software control and input hardware control.
8 o$ i" [. n& y7 ^( z8 h* j >
+ \8 E" X) |" L( p6 I+ e% Q> In order to configure the units, we would need a way to make the
6 Y$ k5 b/ D' o( b+ F2 p> settings. This would preferably be from a computer terminal so that
! W. {7 d! f$ u/ D0 x9 Q2 r> configurations can be saved or easily duplicated for production volumes.
( u& ~- S3 M9 ~- U, F( ?0 C > The units should be small and compact with shielding, and able to mount
' \" d3 O/ Y9 k > to a printed circuit board with header connector.
) K1 {0 b" q# ?. g. r>
7 R- ~! j: I7 Q# B3 g8 y > At this time, we are interested in samples of a pair of modems that
9 \3 k# [8 o2 ?* L; H8 e" r > might be similar to this proposed system. We do not expect that you
) T) f! H. }. u5 @* ~( ^: V$ ]% J> provide all of these specifications at this time. I can describe our
' f, o: A+ F2 Z' C/ _> immediate application needs in the next email if this project is of
$ @7 d: j1 C) ?> interest to you. Perhaps you can make the samples by those
@( g* l6 Y0 s$ Y' ^) t# A > specifications. This will allow us to test your radios before we move
5 M# H1 ?# n& ]> forward. We are interested in your 900MHz radio to start.
2 u# P. f3 @. h3 v
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