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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

/ S5 G# u/ _: X7 e 客户要求如下,如果哪家工厂可以做,请和我联系
& @. d" s3 y# P, f- i > The application that we have in mind is similar to others that we commonly
Z' h! b& k" ~" {5 F > have. If we were to pay for FCC approval, we would want to use the modem
; F8 B! O- J, A& ?" k3 O" T > units in all similar applications under the same approval number.
5 N7 A$ X7 F! U2 @> Therefore, we would like to be able to configure the units to a specific
9 ?$ h+ l- a) D) [ > application. For the business that we do, this approach will yield more
6 W4 f8 B2 Z8 Q# M > sales based on the same product and approval. We are interested in the
( S C$ N( ?& Z. U5 ]. u > following specifications:
" X. a* e0 Q) f >
9 M5 b: T* w+ l( ?: [> - 2 inputs at the Transmitter with three possibilities;
' N/ D7 n% g3 Y8 S X > 2 analog
) b4 n: ]& v' b% B9 j; j > 2 digital
1 J4 ?) c* V& S > 1 analog and 1 digital
5 ^" w" X" M e) y* J8 W& _) m# ?>
/ e9 H$ t2 j; x! } > - 2 outputs at the Receiver with three possibilities to match inputs
0 G5 e" _5 f/ R# J>
" M6 J) u6 Y7 x$ `" W1 n> - Ability to configure/define analog Transmitter input ranges through
5 q# C- p6 ^# D > simple programming method to correspond with full-range analog Receiver
" B ?- l V$ v* E8 q) H > outputs (0 - full voltage).
+ ^5 D( f4 O7 y/ a >
! n5 s3 y0 Y( V> - Ability to configure and set sample rates for the inputs.
4 ~% a2 i3 F. A; c7 s; D/ A >
4 ~. B7 z# `5 A4 d/ g* d > - Digital output on Transmitter that turns on during the sampling period.
2 k, ]0 w6 M' }6 c/ G1 T/ `& @* Y >
: u" y3 ?) Y8 B+ D7 N; ~8 C1 p4 o> - Ability to configure a power saving Sleep Mode in the Transmitter by
8 X2 S9 T" L: k% w2 m/ |% u0 r > both software control and input hardware control.
+ G/ W0 P+ C/ C* L, i >
/ N: z* ]6 [2 a5 ~- s/ t, e+ r> In order to configure the units, we would need a way to make the
' K7 G: v( M+ B1 B > settings. This would preferably be from a computer terminal so that
9 J1 Z# D" U" \) o> configurations can be saved or easily duplicated for production volumes.
4 Q, @# \. M1 K) C* Y2 I) ]> The units should be small and compact with shielding, and able to mount
. u+ W0 l) _ K. a# W > to a printed circuit board with header connector.
; e8 Y% T' _( X" i0 v# ^ >
) \+ O: B/ |. a# M6 \> At this time, we are interested in samples of a pair of modems that
4 t& N C( z( N! w/ _7 B > might be similar to this proposed system. We do not expect that you
5 @% V# J& E9 a# e4 j! n > provide all of these specifications at this time. I can describe our
( d+ q8 x7 @4 o- z6 {> immediate application needs in the next email if this project is of
- i( ]4 w) b3 w5 p, u! o& [# q > interest to you. Perhaps you can make the samples by those
: A o* w5 a, ^; y& h5 x > specifications. This will allow us to test your radios before we move
/ \" a% V" g; h; a% y2 J" x> forward. We are interested in your 900MHz radio to start.
( ?+ @( Y, L6 U5 M
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