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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

3 [; J b* w4 b9 Y0 Q 客户要求如下,如果哪家工厂可以做,请和我联系
" K! i/ L8 } Z6 _! J$ u2 l> The application that we have in mind is similar to others that we commonly
6 ]& E3 ]. N: h > have. If we were to pay for FCC approval, we would want to use the modem
' I! h3 y2 ?1 d0 i( S! u+ H N > units in all similar applications under the same approval number.
" v2 _) V: i% v, D2 z- [8 b6 } > Therefore, we would like to be able to configure the units to a specific
9 p9 B" T5 `& @4 ]8 Q, w5 K > application. For the business that we do, this approach will yield more
! C4 h1 p- Q5 X3 U/ l- J5 D. o2 x> sales based on the same product and approval. We are interested in the
, K. q0 W1 M# T5 V > following specifications:
7 c; m+ L$ b& c# C/ Q, G; v>
- K/ e8 n0 M; p( U> - 2 inputs at the Transmitter with three possibilities;
+ r* t3 |) U+ V3 p" t4 H> 2 analog
6 v5 l j7 J5 P0 `7 k> 2 digital
9 Z0 a: E; ?* B3 [! k7 F> 1 analog and 1 digital
% g" }+ H f* V; n. d; J& l >
0 ?% Q s( ]2 j' G# Z5 x' Y3 l' P> - 2 outputs at the Receiver with three possibilities to match inputs
2 k# P, B! b- W/ _2 ]5 S >
- Z7 C0 C6 N: j* U > - Ability to configure/define analog Transmitter input ranges through
" A) q. q( B: b> simple programming method to correspond with full-range analog Receiver
) L6 a+ c/ T$ L | ^ > outputs (0 - full voltage).
1 Y7 I$ j7 @, E" e: p6 X$ j2 b3 H, e >
' w* Q6 { g2 c3 C4 u" h# i3 a> - Ability to configure and set sample rates for the inputs.
6 d! a) I) v. J( ]9 ^% e >
! `/ f# s o' X6 d9 j > - Digital output on Transmitter that turns on during the sampling period.
- @$ {# x! ^' _4 j+ w _ >
* f% `9 g# n! U3 y> - Ability to configure a power saving Sleep Mode in the Transmitter by
! C$ k" _) z0 z% a& g- S> both software control and input hardware control.
) n; E+ M* T. e>
7 n* o ?8 K0 y8 q B+ K+ {> In order to configure the units, we would need a way to make the
9 Y/ G* t9 I9 a, p- ^> settings. This would preferably be from a computer terminal so that
6 [2 V4 ?2 ~; \5 ` > configurations can be saved or easily duplicated for production volumes.
! _: U; [0 m) Z% B > The units should be small and compact with shielding, and able to mount
" s# q! K; G" A C7 j' t > to a printed circuit board with header connector.
7 Y9 z) s+ W7 |8 ` >
- w7 G! b6 M H8 _3 Q% h( D$ ?8 q > At this time, we are interested in samples of a pair of modems that
$ V1 s0 @2 A1 `3 U8 F e> might be similar to this proposed system. We do not expect that you
3 l, E2 q7 y% m2 z0 d0 N K9 z4 ~% s > provide all of these specifications at this time. I can describe our
, k! y7 G( G! W2 b# N& V7 |- a > immediate application needs in the next email if this project is of
. [# w( q# I' |1 H9 K7 i& h > interest to you. Perhaps you can make the samples by those
: s) M, a2 o& k& H8 x& d1 E > specifications. This will allow us to test your radios before we move
. _4 C+ o* Y) Z& {2 N > forward. We are interested in your 900MHz radio to start.
, M6 T4 z" T$ e7 k1 s% d0 z/ c$ p. H2 C
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