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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

. Q/ C# ? M! @( w6 @" j 客户要求如下,如果哪家工厂可以做,请和我联系
9 j, F7 m. r. T$ y+ a> The application that we have in mind is similar to others that we commonly
, `$ s, v! e+ k" ^: J \) S > have. If we were to pay for FCC approval, we would want to use the modem
4 S$ F7 F4 |# P9 n/ F1 y) m> units in all similar applications under the same approval number.
8 X1 s# e# ~# L> Therefore, we would like to be able to configure the units to a specific
4 J( w { s) b; Q! U > application. For the business that we do, this approach will yield more
" z% D' k, x6 _# k3 j. M7 C: E > sales based on the same product and approval. We are interested in the
! J" n( m! x. M6 R# q5 j1 ?) h > following specifications:
8 a* O4 B% R% M. v >
# ]0 V# e; z: P, f, f> - 2 inputs at the Transmitter with three possibilities;
% R/ D8 Y' s) |2 f8 `. C5 F) c > 2 analog
/ T. L: I1 \' \2 Q! b4 S9 K2 Z- w1 I> 2 digital
$ m3 a" {% W' S) @ > 1 analog and 1 digital
4 ^& ~% G+ K- B8 I0 m2 F Z>
- `9 z8 ?% M# L* I> - 2 outputs at the Receiver with three possibilities to match inputs
9 C i5 s8 [, d l# B( [, } >
% X6 n+ d: G# V1 C; b, ~> - Ability to configure/define analog Transmitter input ranges through
: U Q* C& o" Q8 _1 Y> simple programming method to correspond with full-range analog Receiver
( a: U( k; @5 W2 F, I' ^> outputs (0 - full voltage).
' O5 q+ |) P6 f( [ L8 R>
# l# D4 p4 G9 f$ N+ O6 P9 b2 k > - Ability to configure and set sample rates for the inputs.
' n! {5 s9 v. u2 M9 [6 i9 S >
/ V7 ^" H. |$ Q4 @. S" u% O > - Digital output on Transmitter that turns on during the sampling period.
2 E1 i6 C8 k9 P5 U+ C3 B. q {>
! T! a* P0 N7 E- x) g> - Ability to configure a power saving Sleep Mode in the Transmitter by
4 e2 }' m% |6 ~, b> both software control and input hardware control.
6 m8 R9 X7 `" X% {- }; R- `>
# k$ D& J9 @! P" \' |> In order to configure the units, we would need a way to make the
5 `- [% K# b: f7 s> settings. This would preferably be from a computer terminal so that
. B* @& o3 y# G# A$ Y> configurations can be saved or easily duplicated for production volumes.
& Y5 E5 P3 h9 _- K' s6 A> The units should be small and compact with shielding, and able to mount
. K7 D. a, @6 q> to a printed circuit board with header connector.
& U# r) O# {. P5 G5 W, m >
$ b0 P% _7 i Y1 h# f > At this time, we are interested in samples of a pair of modems that
1 p, {( [( {5 p! h. j/ Y0 m6 T B > might be similar to this proposed system. We do not expect that you
; i4 @) B4 g5 K4 i > provide all of these specifications at this time. I can describe our
/ y4 ?4 e! {3 x > immediate application needs in the next email if this project is of
$ N4 |; I2 K2 v9 C; K) I/ e; v> interest to you. Perhaps you can make the samples by those
6 Y- g+ @! j/ {+ ~8 d# U8 q> specifications. This will allow us to test your radios before we move
" R5 g( i4 d1 @! _4 n > forward. We are interested in your 900MHz radio to start.
7 G' Z8 \7 ?" l3 [
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