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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

6 h& C/ {8 w- Q9 x2 I 客户要求如下,如果哪家工厂可以做,请和我联系
9 A, ~. M$ I1 l+ q" J% R5 h& D. j. W- w > The application that we have in mind is similar to others that we commonly
4 n% N4 Q5 c' V0 ?+ I > have. If we were to pay for FCC approval, we would want to use the modem
& ~& `4 G7 e" q' B, I0 C9 |5 l* r> units in all similar applications under the same approval number.
- }6 K* T# B- F) z `7 Q( Z> Therefore, we would like to be able to configure the units to a specific
& {( M$ D/ X' B& y# E; U> application. For the business that we do, this approach will yield more
% U* ]! `, \+ k/ C. S0 A! e1 i> sales based on the same product and approval. We are interested in the
% j, e4 ~) ~% X* v7 k( @, w& Y > following specifications:
: T5 E# P9 p5 h( V# o >
; c- h0 T% t# A" K9 y> - 2 inputs at the Transmitter with three possibilities;
- g% r* r3 O: J; s. s> 2 analog
2 N9 T. l: `& j+ D( z > 2 digital
$ i2 ?9 `8 j* W- p4 A, I> 1 analog and 1 digital
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8 c- s% x- R. X7 R5 H& R# C > - 2 outputs at the Receiver with three possibilities to match inputs
: h& O' t n6 r) j8 p7 e, B& u>
+ u. J2 m" O' H# q1 j# ? > - Ability to configure/define analog Transmitter input ranges through
. H. X: b9 [) c1 g* D0 H+ T > simple programming method to correspond with full-range analog Receiver
4 Q) S( T; U1 h$ t: X" C > outputs (0 - full voltage).
6 a6 p3 Z) ]6 e. y' B* q/ t>
2 Z, a5 ~2 h k5 u> - Ability to configure and set sample rates for the inputs.
1 j) n) L7 }1 R c- ?+ q* v: s>
8 N, _7 S" I1 o* a! I! K> - Digital output on Transmitter that turns on during the sampling period.
. B" C3 d8 b8 a: U>
. F5 }6 V, e- D+ W, t0 R) `7 e+ c> - Ability to configure a power saving Sleep Mode in the Transmitter by
# [# X! {. j K' t1 q/ M> both software control and input hardware control.
( o( G* [( v) f# j7 P" s9 p+ ?>
, s9 e8 _( f8 r! _# y; ]> In order to configure the units, we would need a way to make the
' u$ o/ B2 s& h# ?- `2 P# y8 r- L > settings. This would preferably be from a computer terminal so that
6 t" m |; [( v/ O8 N > configurations can be saved or easily duplicated for production volumes.
5 N/ Y7 a- C( \& M0 ^ > The units should be small and compact with shielding, and able to mount
$ G5 _8 M2 A& D- G, a > to a printed circuit board with header connector.
& r) T: |$ S" }! w: `: A: d >
3 X2 ?5 D0 _ H) ]5 Z0 O6 [4 s > At this time, we are interested in samples of a pair of modems that
, i* L; H i* U# g f' E3 Z: A> might be similar to this proposed system. We do not expect that you
1 d! X4 n9 g0 e2 ~- f0 ] > provide all of these specifications at this time. I can describe our
" {/ ~6 C7 ~' f5 A+ q: k' L > immediate application needs in the next email if this project is of
% u; N% r& h0 @7 o6 Y X > interest to you. Perhaps you can make the samples by those
2 U5 z2 k9 C3 t: L > specifications. This will allow us to test your radios before we move
% l6 w7 H# X- Y' T+ @ > forward. We are interested in your 900MHz radio to start.
) o$ i5 Y5 Z6 s
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