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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

4 q/ \1 L0 z7 Z# ~, M5 x4 K3 f 客户要求如下,如果哪家工厂可以做,请和我联系
1 n- y, d3 r, V' q7 [4 b5 }9 `> The application that we have in mind is similar to others that we commonly
6 t* `) n% n9 j5 a5 T> have. If we were to pay for FCC approval, we would want to use the modem
( B, x% V3 b' w! A> units in all similar applications under the same approval number.
# d: `7 l4 U+ g7 x5 r2 p% }> Therefore, we would like to be able to configure the units to a specific
: X' ~' r( F$ H+ O > application. For the business that we do, this approach will yield more
! p" c! }* j. @# d0 s0 V> sales based on the same product and approval. We are interested in the
' d* q M! E) ?) q0 K! { > following specifications:
2 C+ `: V% _* U' ?9 E >
^% }/ X% ]6 t5 I- I4 G. X> - 2 inputs at the Transmitter with three possibilities;
& g! o( {; C8 F' z; ~2 W7 m > 2 analog
) f7 N! s# |- c) A& \$ e$ T! ^ > 2 digital
+ p; K& l8 r/ v% f# g& U > 1 analog and 1 digital
4 A/ D" w, ^" x) Z >
- t- @$ ^9 `% \ > - 2 outputs at the Receiver with three possibilities to match inputs
3 W) k x, H# k, f: e# j- l) w. @ >
5 D1 I1 K; p) V9 n' }> - Ability to configure/define analog Transmitter input ranges through
+ J4 o+ U' @3 S# i! |, ?& {: a) ?; [" O > simple programming method to correspond with full-range analog Receiver
# f" f2 x# p! Q4 V" D( |- Q> outputs (0 - full voltage).
6 U* z& z- D$ W: i( a# S* a>
% R: y$ v4 n0 C9 h5 N2 b > - Ability to configure and set sample rates for the inputs.
' c5 b. ~5 ?( {& b/ Y1 h' @>
& ^ Q6 e/ r* H6 _* G" M> - Digital output on Transmitter that turns on during the sampling period.
9 P z! W+ j$ N% k. V>
L6 i% }6 k) |/ ~3 y/ a > - Ability to configure a power saving Sleep Mode in the Transmitter by
% N, ]/ c. ]: |, Z> both software control and input hardware control.
( f$ t1 X& t0 S* b >
- i1 r; t9 g* W; n# `> In order to configure the units, we would need a way to make the
* [/ J. v0 B) ^% [$ k> settings. This would preferably be from a computer terminal so that
|2 X# C3 \7 M+ T8 w1 v2 a# P> configurations can be saved or easily duplicated for production volumes.
' @ ? [: u* b1 B) j8 G/ n' f > The units should be small and compact with shielding, and able to mount
# S) @5 ]' C' ~% r* C > to a printed circuit board with header connector.
) Q/ m' @4 A4 X( w( t5 K; N >
, H, f$ ?% x$ [> At this time, we are interested in samples of a pair of modems that
+ I4 M' ?/ r( ^ B* o" @ > might be similar to this proposed system. We do not expect that you
' P& \; A" l# ?, A" M6 [> provide all of these specifications at this time. I can describe our
' q# u' D2 X0 n6 r8 i; d/ ~> immediate application needs in the next email if this project is of
. `( n. q7 ]: |+ L9 S> interest to you. Perhaps you can make the samples by those
9 i0 q! F# O# l' [, @4 v. q1 m i> specifications. This will allow us to test your radios before we move
5 W) |) G% P! O6 Y+ b, k, E > forward. We are interested in your 900MHz radio to start.
! _/ k2 p* G B y; ]3 ]
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