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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

: ]+ [2 b: {2 c2 z/ d8 O 客户要求如下,如果哪家工厂可以做,请和我联系
- E7 V8 F& K1 k: B( P > The application that we have in mind is similar to others that we commonly
$ r6 g6 W2 C @) O9 G- w > have. If we were to pay for FCC approval, we would want to use the modem
) @+ n( p" n1 u6 A, d; j6 X0 `" w > units in all similar applications under the same approval number.
, t3 L6 G2 q) y( V( Z; N$ L > Therefore, we would like to be able to configure the units to a specific
( Y$ Z9 ?0 Q; o5 }2 @) f> application. For the business that we do, this approach will yield more
1 q7 J6 C8 m3 {9 }/ l1 ~$ c> sales based on the same product and approval. We are interested in the
0 w' s4 j M2 s8 N) o9 U# D> following specifications:
( A+ ], Y3 O# V" G) c>
4 b0 k+ `' }* t > - 2 inputs at the Transmitter with three possibilities;
8 q5 w$ y2 }, g' V4 p> 2 analog
& x. [' A, N( ]> 2 digital
, [2 r! V! T8 Y9 L; l> 1 analog and 1 digital
9 V7 \( R' `( v6 [9 d6 M# f$ r1 r >
9 B' W) p% I( M6 E3 ~5 a> - 2 outputs at the Receiver with three possibilities to match inputs
( l2 i( x7 C( _0 Q) T: O B& H >
& S& s: Z- P; S6 G> - Ability to configure/define analog Transmitter input ranges through
1 Q( E; _' Z" w0 Q' G> simple programming method to correspond with full-range analog Receiver
) Y G/ g. H" x. @7 _/ r5 Q0 u > outputs (0 - full voltage).
3 Q' O P/ r$ b0 D' K >
: X0 D8 W6 j" ]6 g2 G > - Ability to configure and set sample rates for the inputs.
1 L* e& n& W* Z g3 V' `>
3 G# Y# m' t9 F > - Digital output on Transmitter that turns on during the sampling period.
- a# O6 H; {6 r, A>
# `' n* R5 `" ^( L5 z3 ? > - Ability to configure a power saving Sleep Mode in the Transmitter by
Y0 R/ E2 ?$ m: Z8 L0 t> both software control and input hardware control.
# B1 O7 N7 d9 L; h3 v >
/ a9 A, c, [5 i; I1 C6 r! p> In order to configure the units, we would need a way to make the
& l0 `; K- X1 d2 ~8 C7 G/ \ > settings. This would preferably be from a computer terminal so that
' E4 u' c% c/ u1 A5 a> configurations can be saved or easily duplicated for production volumes.
+ J/ ]' w6 X- t7 V9 Y L; q& i- o> The units should be small and compact with shielding, and able to mount
: _& ?! v( M; A0 q> to a printed circuit board with header connector.
8 ], u" t& \0 _! [0 {2 t: A0 q R >
+ f8 M! q! Y/ ^1 m > At this time, we are interested in samples of a pair of modems that
1 ~: ]" i7 S7 T9 q > might be similar to this proposed system. We do not expect that you
# D2 n8 N" |' c) J5 s3 o o> provide all of these specifications at this time. I can describe our
9 V. }5 I' f- m, @5 C' A3 P > immediate application needs in the next email if this project is of
W6 L9 }/ ~$ V U9 E> interest to you. Perhaps you can make the samples by those
3 W- ~6 [" k( K% K+ o > specifications. This will allow us to test your radios before we move
/ u+ Y, M, [- Y" n5 q$ X7 Y> forward. We are interested in your 900MHz radio to start.
* {3 d- Y% ?1 ^! l( M" n
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