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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

1 s. S! X% J8 j# P 客户要求如下,如果哪家工厂可以做,请和我联系
5 m0 C- d* u% } > The application that we have in mind is similar to others that we commonly
+ S, | x, w# W! _' U+ Y > have. If we were to pay for FCC approval, we would want to use the modem
% i. @( z K2 K1 k > units in all similar applications under the same approval number.
; q% w: p3 N& }2 w. ~! a& J > Therefore, we would like to be able to configure the units to a specific
3 I7 d# ~1 V6 s$ E > application. For the business that we do, this approach will yield more
* C. f6 S, J9 g8 X% {# C > sales based on the same product and approval. We are interested in the
) B: _# e6 } \- }' w G > following specifications:
6 v, k/ h6 z* \/ X; ?% U4 U) Z7 N>
6 ?' L& L6 M& H' S: ` > - 2 inputs at the Transmitter with three possibilities;
0 I( A9 T9 s( w. {" p+ c/ J > 2 analog
0 ^- G# t3 H" k4 z$ L$ N+ x> 2 digital
. |# ? E" p0 x9 S! U3 S- ~> 1 analog and 1 digital
4 ~9 w8 V5 Z5 m) Y: c$ v' J >
0 V& K) E2 H2 o> - 2 outputs at the Receiver with three possibilities to match inputs
4 {: E5 U( p+ d+ P: w5 B! C, b& F >
% m7 \) h4 b2 \4 i2 |) b: Y > - Ability to configure/define analog Transmitter input ranges through
. ]* M4 ~# ^( [/ ~* }: [> simple programming method to correspond with full-range analog Receiver
$ o! U& ` N4 @> outputs (0 - full voltage).
# h+ z, |4 L2 y+ c5 q; g+ B>
8 s z2 c4 { I6 K> - Ability to configure and set sample rates for the inputs.
' x5 ]. c: ]7 F4 y. E; D>
7 z7 `! d8 k. ~1 ~# g& ?. h% R$ b2 k> - Digital output on Transmitter that turns on during the sampling period.
$ ?6 W% |# M0 ?& X+ S( e" {$ u! B8 z>
/ o4 s. P8 J7 Q5 M [+ z$ l> - Ability to configure a power saving Sleep Mode in the Transmitter by
# l" g# O, z# ~% T; ] > both software control and input hardware control.
5 |4 D1 l/ e: e3 L>
0 ?9 S# y( r3 M0 T, d. [; R> In order to configure the units, we would need a way to make the
* G/ p2 Y. Z" r! D1 u0 V > settings. This would preferably be from a computer terminal so that
$ a9 G, u* Y9 v; P+ m8 v/ h+ V> configurations can be saved or easily duplicated for production volumes.
5 w! r: I3 p4 x) O9 t% J" {> The units should be small and compact with shielding, and able to mount
+ t4 O+ [( G$ K3 G/ D) H > to a printed circuit board with header connector.
# v* \+ k- |5 g- o' F3 e$ z >
% i% x6 m' w& u8 q, j9 l> At this time, we are interested in samples of a pair of modems that
+ h' A% Z& h( \1 b4 i" z; H' {> might be similar to this proposed system. We do not expect that you
9 Q7 {$ _: H5 j7 h! Z/ n* L> provide all of these specifications at this time. I can describe our
0 L6 N9 Y9 q) S( q3 t& J9 X> immediate application needs in the next email if this project is of
+ M1 V! v/ p+ h0 K# z > interest to you. Perhaps you can make the samples by those
# B) E9 A7 J* s- W; q3 C > specifications. This will allow us to test your radios before we move
% |. t; [8 Y/ _' t& b- [> forward. We are interested in your 900MHz radio to start.
( j+ Y& n, e! L" N. M
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