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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

9 G2 z7 [/ v, K% C# X" C# i9 p' ^客户要求如下,如果哪家工厂可以做,请和我联系
) Q/ N2 U6 s3 J( j' F/ Z- B> The application that we have in mind is similar to others that we commonly
0 q- D7 \, n) c; J% m( d2 r > have. If we were to pay for FCC approval, we would want to use the modem
1 \( O/ n+ `2 A> units in all similar applications under the same approval number.
: W- |3 o8 L$ I# b( v$ l9 \/ v > Therefore, we would like to be able to configure the units to a specific
6 K6 ?/ [2 m$ O: [6 S& m# ] > application. For the business that we do, this approach will yield more
* j( u- Q5 a7 B$ i9 a> sales based on the same product and approval. We are interested in the
1 q, ?8 {2 Y; D! T/ V > following specifications:
( G& _1 N7 [, b% | >
$ N$ J+ @& Q { }- p a, O > - 2 inputs at the Transmitter with three possibilities;
# Y- g4 t1 e! {+ l0 r > 2 analog
# n! y+ @: x6 f& V) n> 2 digital
) X1 @8 K! A/ Z4 C6 {2 J8 \9 } ]2 U> 1 analog and 1 digital
9 X4 d) S3 O/ v# q+ i- U >
i5 C/ [1 u/ U1 M) m. @> - 2 outputs at the Receiver with three possibilities to match inputs
. E) _& p3 I) B% x+ t, c>
- H3 ?! |& i V* R> - Ability to configure/define analog Transmitter input ranges through
6 P/ b7 d; ]! n% |% a9 b2 l > simple programming method to correspond with full-range analog Receiver
; y2 G4 _# r$ F Z, u* H p > outputs (0 - full voltage).
+ `9 f: D& ~& o+ u- W >
' R3 @1 o1 P1 ^. S> - Ability to configure and set sample rates for the inputs.
% x+ ~; B/ K, _4 h, d>
/ @& @# H" u8 Y$ @> - Digital output on Transmitter that turns on during the sampling period.
# P. z5 m* E) t! ~1 F+ S>
% O7 K2 }- V8 J3 _) J( y+ E( e2 g% z > - Ability to configure a power saving Sleep Mode in the Transmitter by
4 T" m& \: X& b w > both software control and input hardware control.
, S$ u" C+ Y7 D0 ]6 _>
* u) `- R, ?; t8 q7 \% u > In order to configure the units, we would need a way to make the
% x# `4 q% Y9 |8 i2 j! z T> settings. This would preferably be from a computer terminal so that
# O9 F e1 x T( s- B > configurations can be saved or easily duplicated for production volumes.
* e- [; Q8 V& L> The units should be small and compact with shielding, and able to mount
$ c/ A" t; S" g/ ] > to a printed circuit board with header connector.
3 _- C: @* [8 } ?6 d! U/ J >
! s0 h5 L5 Y( i. A > At this time, we are interested in samples of a pair of modems that
3 E4 c: |2 @3 d. H O> might be similar to this proposed system. We do not expect that you
2 r' e+ u& W3 e0 W > provide all of these specifications at this time. I can describe our
3 y- a' R$ y( V3 X# {% D! z# Q4 m > immediate application needs in the next email if this project is of
. y' E* }+ ?9 o1 a; k > interest to you. Perhaps you can make the samples by those
3 p' U+ L% A3 K9 ~8 f! E/ p' h8 E > specifications. This will allow us to test your radios before we move
' V9 a$ {5 K7 A( h > forward. We are interested in your 900MHz radio to start.
7 n4 X* _ U5 s% j
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