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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

- z; o; G9 e7 W2 c/ g& }2 c% C B 客户要求如下,如果哪家工厂可以做,请和我联系
! }6 w# Y: N E> The application that we have in mind is similar to others that we commonly
" Y4 J$ Z* X+ l5 |! y9 [> have. If we were to pay for FCC approval, we would want to use the modem
$ T8 [+ }, S! `& P' P3 X8 d> units in all similar applications under the same approval number.
1 m4 m& @9 x# m, \/ U > Therefore, we would like to be able to configure the units to a specific
0 q. \ N# o8 I, d8 P, s+ | > application. For the business that we do, this approach will yield more
G7 X3 t* r' c> sales based on the same product and approval. We are interested in the
1 b* C$ u# G7 w8 L > following specifications:
+ `: _3 G% o4 i+ ?' A0 u3 _>
8 t, k i% E5 m% C. l( h0 K> - 2 inputs at the Transmitter with three possibilities;
+ e) N5 i3 S: C& |0 ~, ] > 2 analog
& Z1 K% g6 y* l% @6 H! z> 2 digital
9 N5 S3 {/ l Y( Y > 1 analog and 1 digital
. d/ p4 D) ~8 d8 }9 ^7 y >
& P6 T8 r$ y" S( } > - 2 outputs at the Receiver with three possibilities to match inputs
g6 n& _8 ?, F" N) t. m >
5 q9 Q# i6 X9 M7 y> - Ability to configure/define analog Transmitter input ranges through
3 S1 V/ v' i b$ q+ ~- I> simple programming method to correspond with full-range analog Receiver
% N0 X+ y$ h) B) Y* }7 B- v> outputs (0 - full voltage).
5 I2 u: ~* t9 H0 r1 L>
/ l- Q7 x6 W' I, n/ h1 R! H> - Ability to configure and set sample rates for the inputs.
: Y+ V% S y+ V; P>
* |+ @- F2 g1 V7 Y# }> - Digital output on Transmitter that turns on during the sampling period.
1 {0 P4 I; `% N% x2 \' d >
' E/ f$ ^* o+ M# ]! t' B" _ > - Ability to configure a power saving Sleep Mode in the Transmitter by
8 ^! j1 q: s: S1 j E' } > both software control and input hardware control.
: \. E0 @# A% |' _, @$ ?>
8 _* ]' x0 j; ]% d2 _; C> In order to configure the units, we would need a way to make the
9 U8 c- U1 o1 e* t W; v# ~ > settings. This would preferably be from a computer terminal so that
* N# A( N2 Z: \+ P+ t9 I> configurations can be saved or easily duplicated for production volumes.
4 E7 s9 s) M& l6 U > The units should be small and compact with shielding, and able to mount
% x4 Y: f6 c7 | `; c8 r J> to a printed circuit board with header connector.
! m' e$ V# a: B/ A5 P# R1 w9 o >
- b n. }9 T/ Y! s9 `> At this time, we are interested in samples of a pair of modems that
, N$ ?& p* Y. d3 K I% ]) V> might be similar to this proposed system. We do not expect that you
% [) T: \) n( K5 o- ]( i> provide all of these specifications at this time. I can describe our
H- o4 {1 y: ?' `4 P$ m: i > immediate application needs in the next email if this project is of
" p+ T, _ t/ c) D; u> interest to you. Perhaps you can make the samples by those
2 P3 `$ e/ t' U" I3 q> specifications. This will allow us to test your radios before we move
" s/ k5 P% u; m) P' V. y8 L > forward. We are interested in your 900MHz radio to start.
5 m" R1 J# n4 w- N @
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