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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

8 y6 h: G8 x8 e2 N$ P+ t& D9 E客户要求如下,如果哪家工厂可以做,请和我联系
2 L) l+ }, m0 j! Z> The application that we have in mind is similar to others that we commonly
. e0 G' G8 Y% Z/ M( j> have. If we were to pay for FCC approval, we would want to use the modem
4 _" N: p1 A# K/ A# Z2 \: c > units in all similar applications under the same approval number.
6 M6 d. i# H2 I > Therefore, we would like to be able to configure the units to a specific
0 G# j" y# \! e' V# R> application. For the business that we do, this approach will yield more
, _/ M2 s3 j' `3 ^> sales based on the same product and approval. We are interested in the
. ^2 H/ Z0 T' J& C> following specifications:
: V8 I8 W1 U6 f0 Q( i" E+ ~>
+ R3 W& R, {! Y6 l: _* z% C > - 2 inputs at the Transmitter with three possibilities;
! g9 a4 |3 F7 G+ _, ~. z1 l l> 2 analog
g, d# E( i( G9 } > 2 digital
2 P- T5 V$ B( T: @" q> 1 analog and 1 digital
$ j: |0 _" \0 F% K( W1 l0 B* n1 U>
0 Q0 o! ], o! S% o+ C' p> - 2 outputs at the Receiver with three possibilities to match inputs
4 M3 ?" D' n4 N4 A [: o>
" H% D" x+ m* R7 i/ a5 a6 ` > - Ability to configure/define analog Transmitter input ranges through
" X" z5 h0 H# }* t) s> simple programming method to correspond with full-range analog Receiver
# | E! ?8 R9 i4 R3 C > outputs (0 - full voltage).
3 l& }1 L) f6 d/ c, _3 W* Y& Q>
0 G- `# }+ j) M# h" L# A > - Ability to configure and set sample rates for the inputs.
+ G- F* {4 v/ H8 |+ I; } >
+ h) P( A/ y! D8 R+ a" @8 z> - Digital output on Transmitter that turns on during the sampling period.
3 U* z8 l1 [/ | >
' h! u E' L6 \ > - Ability to configure a power saving Sleep Mode in the Transmitter by
1 x/ o& M/ w0 s0 ] P2 `> both software control and input hardware control.
8 C/ y0 ]5 S/ Y" t/ n' S% |* c1 {1 U>
4 B8 s) a6 ^4 l# Y: u: l. B }> In order to configure the units, we would need a way to make the
' d" C! O1 x* h6 b \8 _4 D- W* J > settings. This would preferably be from a computer terminal so that
( x- b; ?3 u" u1 C/ r> configurations can be saved or easily duplicated for production volumes.
$ C9 J: Q, [' ?" `/ h& W> The units should be small and compact with shielding, and able to mount
* {& k# V. c- i6 x+ F1 r( e+ k > to a printed circuit board with header connector.
; `" ?% }0 ^( L- g d; f; k >
( r3 N& g7 a- c4 y1 {$ e > At this time, we are interested in samples of a pair of modems that
( Q& s8 Y# `' O' ]; Y K1 @ > might be similar to this proposed system. We do not expect that you
$ r# Y4 X& Z0 T. e > provide all of these specifications at this time. I can describe our
6 z0 j5 h3 H4 i( g4 {. G, f> immediate application needs in the next email if this project is of
6 M$ t+ w4 E' T > interest to you. Perhaps you can make the samples by those
* ]" j* m: Z2 z' Z& V i> specifications. This will allow us to test your radios before we move
( i% P: b0 P' M1 z( ]0 N! B6 V( ]> forward. We are interested in your 900MHz radio to start.
/ i( i5 L; h: w% W7 A% `2 B
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