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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

: N( ] T2 h5 F& u) K$ N客户要求如下,如果哪家工厂可以做,请和我联系
' ~' |9 v+ p6 P9 I$ L( ~/ k' b* u$ B- d > The application that we have in mind is similar to others that we commonly
9 t: n9 j( X9 r> have. If we were to pay for FCC approval, we would want to use the modem
! f. ?; ^( z9 Q& P) M$ C6 ?> units in all similar applications under the same approval number.
, \" Y: j) y5 `. I ]( X > Therefore, we would like to be able to configure the units to a specific
7 A+ c9 Q: l1 Z3 B9 Z > application. For the business that we do, this approach will yield more
1 Z% x3 v/ g# m" [; G) O, h* z" ]> sales based on the same product and approval. We are interested in the
. Q+ [4 v$ P& g+ r s& Q! n > following specifications:
) Y1 Z2 O3 ~- m* A# \" R>
& B3 ]3 j e7 g > - 2 inputs at the Transmitter with three possibilities;
5 ~6 [. I7 X$ J2 Y9 u* Q > 2 analog
0 S1 A9 C7 s& g# B: N8 \3 S K > 2 digital
$ L0 z! r) C) g0 Z3 T> 1 analog and 1 digital
/ i) E; X/ Z9 e+ s3 ? >
: w) `4 [" C0 g( q& ]7 [8 O) {> - 2 outputs at the Receiver with three possibilities to match inputs
5 i( {5 z- a# R4 F& M3 i>
. H, Q% F4 s0 L1 u' v% J2 Y) y4 J2 T> - Ability to configure/define analog Transmitter input ranges through
/ d7 r: c }7 X* c- ^ > simple programming method to correspond with full-range analog Receiver
3 ?2 J ~; J' k> outputs (0 - full voltage).
@ e4 _# o8 R1 c$ u- } >
, a" w, O! j0 l& L) F2 W > - Ability to configure and set sample rates for the inputs.
* H4 o9 i. _1 K) ]; P>
& M4 T j5 a: t$ u; C > - Digital output on Transmitter that turns on during the sampling period.
9 d( N, z$ j( ~: a >
+ @/ A% K2 s" i+ [% b4 m# o> - Ability to configure a power saving Sleep Mode in the Transmitter by
$ i4 O" X+ K O% J$ Y> both software control and input hardware control.
" j9 X; m! @4 ^0 w >
0 ^) V/ C3 X- Y" g& a; y > In order to configure the units, we would need a way to make the
6 W( s7 x9 @% T2 v > settings. This would preferably be from a computer terminal so that
]& ^3 s" O E > configurations can be saved or easily duplicated for production volumes.
( n* ]6 Y, c( ?0 {2 H5 }> The units should be small and compact with shielding, and able to mount
- ?% d5 J- q; t6 ?2 a; I' t> to a printed circuit board with header connector.
# T9 ^- m* J8 m* F. S% |9 d. Z0 b>
. T* u4 T9 ^! v4 {> At this time, we are interested in samples of a pair of modems that
8 ?6 M9 a ^8 q > might be similar to this proposed system. We do not expect that you
+ Y F& U6 k( G0 R7 }1 K* Z" E- J6 y > provide all of these specifications at this time. I can describe our
6 o0 n( X; t1 G) w( f) @& n > immediate application needs in the next email if this project is of
. H. m- ], o& l- v+ ?/ N2 T6 k> interest to you. Perhaps you can make the samples by those
5 i+ v! e9 Z3 |* `4 |2 C( H > specifications. This will allow us to test your radios before we move
* p* m4 d$ O* X) i# o8 t# L# l& s> forward. We are interested in your 900MHz radio to start.
9 L w1 h; U0 [/ s( M* b* R, ?9 h2 p, E
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