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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

7 U$ C) S/ u% J客户要求如下,如果哪家工厂可以做,请和我联系
) \! ] R" ?: O1 T > The application that we have in mind is similar to others that we commonly
8 D" w) g9 ? U+ ~ B: \> have. If we were to pay for FCC approval, we would want to use the modem
( @0 F! i W0 V3 Q5 R M2 _& s. \> units in all similar applications under the same approval number.
4 I# W2 K9 ^! b$ q' T > Therefore, we would like to be able to configure the units to a specific
: \: k% `4 R$ ]# y1 Z! s- _; z U > application. For the business that we do, this approach will yield more
+ J5 N+ i o# O6 [> sales based on the same product and approval. We are interested in the
, c* Y) ` D% d5 d/ G+ q > following specifications:
) C7 @- Q ~/ a/ w1 Z, ?0 e >
8 n/ |9 I! P: s x% h > - 2 inputs at the Transmitter with three possibilities;
+ N4 v2 a/ u _7 ^! `4 m> 2 analog
" L1 i. k% W; l9 | > 2 digital
: T7 i, _ y) s> 1 analog and 1 digital
6 j; e1 y8 z5 a2 f2 ^ >
+ w) [# ?: v6 X* B: n > - 2 outputs at the Receiver with three possibilities to match inputs
% W( H0 q0 g8 X* X- b2 ?5 [>
# v' k3 W! S: P. z( L0 {9 }8 Z& V > - Ability to configure/define analog Transmitter input ranges through
& }7 j$ g0 x1 | e2 W> simple programming method to correspond with full-range analog Receiver
{: P- D6 [( S" `# ]. u$ w7 j > outputs (0 - full voltage).
% `% O m* f( o>
& `3 E0 G" z" @# r \> - Ability to configure and set sample rates for the inputs.
1 V5 x( K6 b' P; G >
/ _. {; A! f# \> - Digital output on Transmitter that turns on during the sampling period.
* f8 E5 A8 Z/ G# J ~+ p* p >
; o, ^9 m1 h* K- C0 r! b& p6 g > - Ability to configure a power saving Sleep Mode in the Transmitter by
2 |. D% z7 u% X" K! a8 y: z, f > both software control and input hardware control.
5 z. |, D! J$ ~9 G" f >
6 D, Q, Q" t6 y9 X) I! Y > In order to configure the units, we would need a way to make the
& M& }$ Y0 q+ W$ E: s2 w> settings. This would preferably be from a computer terminal so that
6 O9 k( J1 M/ o- |+ Z' _> configurations can be saved or easily duplicated for production volumes.
+ Z/ y% s# O3 s$ x# m; z6 j" _> The units should be small and compact with shielding, and able to mount
# m6 Q' Y7 I8 ~8 F > to a printed circuit board with header connector.
5 B S; a. I8 W; \& r" y, K8 Q* \>
y9 z' o, W) M% K( u3 L6 A5 I3 u> At this time, we are interested in samples of a pair of modems that
' x" T- B) j9 E0 Z> might be similar to this proposed system. We do not expect that you
+ O& z Y, a4 t$ u5 J6 B; }> provide all of these specifications at this time. I can describe our
2 ?2 D7 e. d- @+ w) z$ C > immediate application needs in the next email if this project is of
% N$ G, `# h- |0 J7 a: r# y: k4 g > interest to you. Perhaps you can make the samples by those
; r. a. e9 y4 J- X> specifications. This will allow us to test your radios before we move
7 Q" _% l7 K1 X& `) l > forward. We are interested in your 900MHz radio to start.
# k0 k2 p* g0 R1 q5 Q
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