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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 [8 R( p% M& v' v j4 |) Y 客户要求如下,如果哪家工厂可以做,请和我联系
3 f' y% }2 i. |& w4 T3 `8 W > The application that we have in mind is similar to others that we commonly
! o5 A) `/ O" O# w! ?6 z" z' p> have. If we were to pay for FCC approval, we would want to use the modem
) P$ Z1 @8 B( k* z+ R/ @ > units in all similar applications under the same approval number.
! m- @0 Q2 I9 y! D0 e. w> Therefore, we would like to be able to configure the units to a specific
- J6 D4 ^; K$ I7 A7 f8 f1 H- M > application. For the business that we do, this approach will yield more
; \+ o/ f# { y6 [ > sales based on the same product and approval. We are interested in the
# u3 e, X3 M- ]% [3 X1 [- b> following specifications:
! L& D# P `! E0 v! ^# G( S >
* z* S1 w0 D- |3 T; \ m8 E( l3 Q> - 2 inputs at the Transmitter with three possibilities;
/ i" t- o% h v5 V! L; r: c> 2 analog
, }& }. d) ]+ l2 g8 D > 2 digital
7 U+ D$ W* t( y, U$ @6 l5 C4 x" ], Y > 1 analog and 1 digital
: Q3 y6 W* H5 c) i( S8 J& u>
/ }0 p c' l) t. `/ G' {; M. q> - 2 outputs at the Receiver with three possibilities to match inputs
/ A+ x4 [& C. r3 | >
, }0 W+ Q. a2 s% g$ L> - Ability to configure/define analog Transmitter input ranges through
4 o3 @! E" I4 N> simple programming method to correspond with full-range analog Receiver
2 ^# _! ^: ]' P! g9 ]4 i; u V6 ]- p> outputs (0 - full voltage).
# ~' D. O# q# |2 L& U/ H- _ >
/ |/ S8 A' M! F G> - Ability to configure and set sample rates for the inputs.
1 m1 a+ h! N* |0 F3 Y5 f>
/ m0 v; E0 U/ X* i' |1 @, h> - Digital output on Transmitter that turns on during the sampling period.
! d/ v' |7 j% r8 c# j( T4 |$ x/ @3 f>
" [) [8 J0 }: x2 b/ k > - Ability to configure a power saving Sleep Mode in the Transmitter by
# @) Z' q3 \$ g; h( K$ n> both software control and input hardware control.
- T: O( _/ }& B" O" V>
2 Z5 P* E0 V; ^+ B) N7 H> In order to configure the units, we would need a way to make the
! c( E8 I3 C6 @" \' O& W7 d> settings. This would preferably be from a computer terminal so that
( {0 b3 P9 j0 N# q8 q > configurations can be saved or easily duplicated for production volumes.
' R/ Y7 \; U* c7 z > The units should be small and compact with shielding, and able to mount
( f( z7 o& b2 E; o7 Z > to a printed circuit board with header connector.
o! Z0 K) Z6 l>
! R, e H! F% y9 [2 B: x> At this time, we are interested in samples of a pair of modems that
n/ T) D) N8 O > might be similar to this proposed system. We do not expect that you
& u w0 I1 o% A! A5 ~3 ^- O |> provide all of these specifications at this time. I can describe our
9 w" `/ R8 S; h! S1 G: ` > immediate application needs in the next email if this project is of
: @4 d- T, M8 _9 ^! C* f5 n> interest to you. Perhaps you can make the samples by those
# ~1 v. O, J" ~> specifications. This will allow us to test your radios before we move
6 d @6 E& N$ K) k> forward. We are interested in your 900MHz radio to start.
% w/ N1 h5 k. ?
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