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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

, o; a4 {1 P) V- f* y* r+ v6 Y客户要求如下,如果哪家工厂可以做,请和我联系
. l$ ]4 x ?7 e# {; w7 K' Z> The application that we have in mind is similar to others that we commonly
# T5 w8 N6 q+ I% s5 Z8 _7 T > have. If we were to pay for FCC approval, we would want to use the modem
3 J1 f3 o _3 O/ V4 G( S9 k8 o* E" L5 i > units in all similar applications under the same approval number.
' m; S# M# n( L E7 E+ p, `' ]1 l: R > Therefore, we would like to be able to configure the units to a specific
- m+ ` u/ v) y" M. o$ Y9 } > application. For the business that we do, this approach will yield more
3 o( u9 I/ g9 b! W z9 q% q0 D> sales based on the same product and approval. We are interested in the
/ v, \% k% k& R$ y0 F5 W# C5 y- C7 U# w > following specifications:
2 l% D9 n U$ ~0 S>
: @5 }6 ]9 D! E) f3 r> - 2 inputs at the Transmitter with three possibilities;
# }: e0 w; c) a. z8 c* { > 2 analog
# M i8 n: z, _6 h. C; f9 G" [ > 2 digital
1 C" S- E W% I& R > 1 analog and 1 digital
+ U2 v- T) F& L/ U/ Z5 h; w& u>
; s4 {" }" G& F > - 2 outputs at the Receiver with three possibilities to match inputs
- J, o/ ~7 h/ Q [* x1 s1 u9 z1 k >
# h) e0 I9 e* J0 l2 j6 l! y, m8 H > - Ability to configure/define analog Transmitter input ranges through
! h$ e* M8 P9 A/ Y& j' f2 a: X& p> simple programming method to correspond with full-range analog Receiver
! m0 q( R$ K/ r" [> outputs (0 - full voltage).
* [$ J' I+ |5 O: K5 m- i >
# t- V# V: `( b- G3 X5 U) B: ? t1 g, G > - Ability to configure and set sample rates for the inputs.
0 q- s7 i g* w0 k9 @3 H >
. ^) C4 Z( [5 V0 u> - Digital output on Transmitter that turns on during the sampling period.
: B6 \- z P8 G# N2 [: {- K* b>
% K1 U1 T% c8 x, a4 _> - Ability to configure a power saving Sleep Mode in the Transmitter by
# k" t- A3 x- {' Z1 B: w# Y8 K > both software control and input hardware control.
( X I! w/ ~& h- F% X1 r6 ^: n >
: p4 \5 k. Y( Y4 q) C* X7 I/ f > In order to configure the units, we would need a way to make the
( o6 b; c w0 p" ^8 I> settings. This would preferably be from a computer terminal so that
) d* p; m6 N, d, b2 X% B> configurations can be saved or easily duplicated for production volumes.
8 n0 B: P+ h- O> The units should be small and compact with shielding, and able to mount
0 L3 [# ?( P# j- k, {: A > to a printed circuit board with header connector.
- {. u# |) \) { >
3 B2 }0 |) Z2 N$ K1 g" X( q) \7 d> At this time, we are interested in samples of a pair of modems that
+ ?+ N4 |' D. H- k6 p; W6 ^' b/ W > might be similar to this proposed system. We do not expect that you
2 E) I+ ~7 c l2 v > provide all of these specifications at this time. I can describe our
: h9 R. P: U; m2 d5 x3 N( K! ]> immediate application needs in the next email if this project is of
4 @- ]& F: y J5 ?0 r> interest to you. Perhaps you can make the samples by those
( g$ u/ Y4 j( |# t; D3 ^ > specifications. This will allow us to test your radios before we move
0 n; N. b# ]/ [2 S > forward. We are interested in your 900MHz radio to start.
) G: B4 I) l' M9 \4 K
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