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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

5 N9 s/ u1 a7 P& I: M6 v7 O# K客户要求如下,如果哪家工厂可以做,请和我联系
! R7 P2 A5 m1 h+ D> The application that we have in mind is similar to others that we commonly
! c6 g* I# t- T> have. If we were to pay for FCC approval, we would want to use the modem
% K1 V6 Z% G- {3 X/ m> units in all similar applications under the same approval number.
1 z3 R+ O* m3 ~5 S) |$ R> Therefore, we would like to be able to configure the units to a specific
2 @" K+ g& ^0 i Z! z5 ~ > application. For the business that we do, this approach will yield more
4 y: a) M; Z, x- v* b$ S5 U > sales based on the same product and approval. We are interested in the
) a# [# E5 G1 x# K& y* I > following specifications:
' A2 Q3 u! W- P' S5 q1 v1 H >
) j4 N/ P+ ?9 h) U4 y' G! P) ]4 S; ~9 u > - 2 inputs at the Transmitter with three possibilities;
( O/ T# g# O* ^ > 2 analog
! \/ S! t5 ]8 M, I( ?9 @ {> 2 digital
' T# m$ V% T! C3 U4 y/ I > 1 analog and 1 digital
) w5 {' v: n( e. U8 k >
, p9 _) {9 k, R) ?# {. N+ Z> - 2 outputs at the Receiver with three possibilities to match inputs
$ X1 X& z4 y' u! B% @7 N1 k>
0 e9 n4 V5 ~( a > - Ability to configure/define analog Transmitter input ranges through
( u$ q0 W6 t5 W7 M > simple programming method to correspond with full-range analog Receiver
7 W; s" {8 i2 k I8 G' ] > outputs (0 - full voltage).
' e4 g [9 C [8 ^& n( ` P) t>
' d# Z, m: p( A( g > - Ability to configure and set sample rates for the inputs.
+ u2 k, J0 Y7 L5 G- V8 n >
* K- c a. q, S > - Digital output on Transmitter that turns on during the sampling period.
$ E+ C w$ d% B/ v+ h2 G2 _ >
, ]) y7 O7 A/ {9 G6 }> - Ability to configure a power saving Sleep Mode in the Transmitter by
+ ?$ ?1 G2 q( a# c; G; ~! p> both software control and input hardware control.
& N! a( u( s+ a/ ], {) z: v O >
# Y: w& U9 l8 @& y! ^ W x> In order to configure the units, we would need a way to make the
8 j% q' h: p# A9 S' U6 ] > settings. This would preferably be from a computer terminal so that
% i8 t! r0 T" l7 l4 r( r> configurations can be saved or easily duplicated for production volumes.
& S; [3 [3 G) U, s! u- l> The units should be small and compact with shielding, and able to mount
; J/ c7 X! t0 j9 }) ~6 h> to a printed circuit board with header connector.
0 p: E: Z: h Q >
5 X0 L4 f- v2 W& H# @4 o9 `! C6 y' F> At this time, we are interested in samples of a pair of modems that
) L8 O% C1 X* ]$ I3 |+ M> might be similar to this proposed system. We do not expect that you
# h6 b6 P# O& X4 q4 \ > provide all of these specifications at this time. I can describe our
2 Z6 u1 Y6 B* h! `> immediate application needs in the next email if this project is of
4 U0 ~2 m2 O5 @+ G+ t' ?+ @ > interest to you. Perhaps you can make the samples by those
( l, H/ R( [9 s \> specifications. This will allow us to test your radios before we move
4 t4 o/ T: }$ G2 {1 V> forward. We are interested in your 900MHz radio to start.
. B, h. K* O3 s5 Q/ Q
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