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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

) d. v, e# W u" N( Q1 l 客户要求如下,如果哪家工厂可以做,请和我联系
6 z* Q4 J+ f& _( }5 D > The application that we have in mind is similar to others that we commonly
( D& p$ `& b6 x0 e > have. If we were to pay for FCC approval, we would want to use the modem
# v1 N+ Y( }; J1 Z+ }2 y( d > units in all similar applications under the same approval number.
2 M6 \, M4 s$ A4 P- @- e$ A > Therefore, we would like to be able to configure the units to a specific
6 k7 M! x2 @) G I7 y2 B+ X9 v# q > application. For the business that we do, this approach will yield more
0 \3 Z4 e8 m8 h1 B% H& M > sales based on the same product and approval. We are interested in the
$ q3 I" s( Z* i. J' q" b> following specifications:
. J* p+ Y# |, s( a1 n/ p6 M >
9 s' u' e9 B) |# N% K > - 2 inputs at the Transmitter with three possibilities;
g: g# V( H7 O! ?> 2 analog
' B3 X9 b8 d( s& | > 2 digital
+ u7 e- n. G {* e5 v& l. M: M> 1 analog and 1 digital
2 B3 Y9 o+ Z# `0 {- k6 {/ `' O i* `>
0 S# [. a: A) u2 s0 X> - 2 outputs at the Receiver with three possibilities to match inputs
9 P) d6 r2 `" F! H >
4 I. ^! o. X3 u > - Ability to configure/define analog Transmitter input ranges through
8 T1 c. Z% j; N5 a1 q7 n > simple programming method to correspond with full-range analog Receiver
+ M& L8 c g6 j8 D4 g6 M > outputs (0 - full voltage).
0 ~7 m9 p9 q9 O. } >
: s1 ]: N1 D0 ^/ ^% v* C> - Ability to configure and set sample rates for the inputs.
9 ]- H: w8 }7 y >
% @5 a ?' Q/ r6 m7 U. p> - Digital output on Transmitter that turns on during the sampling period.
4 Z3 U( L; u' d5 j) e% [ >
$ X" w( ]/ C1 D> - Ability to configure a power saving Sleep Mode in the Transmitter by
8 P, K' R6 E$ m2 T U > both software control and input hardware control.
3 Z/ k X& z# b5 v. w3 j3 B>
9 ]: l/ M4 z5 j% {- `> In order to configure the units, we would need a way to make the
8 w- o* u: z5 F c/ | > settings. This would preferably be from a computer terminal so that
0 ?' a6 A8 A* z- [5 R4 H> configurations can be saved or easily duplicated for production volumes.
- Y. w( Y- {0 b% l9 N4 @ > The units should be small and compact with shielding, and able to mount
6 l6 b7 Q4 D: q( N$ D; T> to a printed circuit board with header connector.
P4 A4 m5 U2 I$ G >
r) o. p. }7 x$ j' C' G, [1 ]7 P> At this time, we are interested in samples of a pair of modems that
2 ~& e6 w0 j: S > might be similar to this proposed system. We do not expect that you
* d- _& ~3 W$ q7 ]& k8 F E$ m > provide all of these specifications at this time. I can describe our
& h+ B }( ]/ R/ k; T& }+ n> immediate application needs in the next email if this project is of
$ ~, E; W4 z+ Z > interest to you. Perhaps you can make the samples by those
) W# x+ {1 p) c+ E> specifications. This will allow us to test your radios before we move
1 Y3 C, U$ G y4 \0 i- w3 ?> forward. We are interested in your 900MHz radio to start.
0 d, h, W7 @1 P& _
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