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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

) v* ~) V. I% s客户要求如下,如果哪家工厂可以做,请和我联系
* P7 L4 P o2 p3 _& l1 i* g> The application that we have in mind is similar to others that we commonly
1 d4 s& s6 B: |. I) R> have. If we were to pay for FCC approval, we would want to use the modem
$ f# v! ]5 L$ C* h. l > units in all similar applications under the same approval number.
* o- f! u* x$ l> Therefore, we would like to be able to configure the units to a specific
0 R1 h$ T9 h/ [5 F> application. For the business that we do, this approach will yield more
$ u7 i8 k8 u2 l% w2 {# W" P! ` > sales based on the same product and approval. We are interested in the
& h- C& A7 T! }. { \3 a5 t, _> following specifications:
9 x4 c3 i( n% B8 A% e>
8 I/ Z1 u4 T/ |7 v- u/ P > - 2 inputs at the Transmitter with three possibilities;
^- N. s8 V+ }* Z> 2 analog
; m1 s- T1 n7 h! V > 2 digital
. `: m: s# X* v, {! J7 _> 1 analog and 1 digital
: o, d0 q) k H* h% f >
( x, K5 Q& [0 c4 H% F5 J& A> - 2 outputs at the Receiver with three possibilities to match inputs
; N- L8 D2 K' a7 E m* R>
8 J% |& O6 N" `> - Ability to configure/define analog Transmitter input ranges through
- ]7 A& r) |7 E# {4 ?> simple programming method to correspond with full-range analog Receiver
]" F8 o3 l" W > outputs (0 - full voltage).
1 \/ K z7 U0 k5 K3 r1 x >
+ `1 {+ J+ Y; A% k! s5 M> - Ability to configure and set sample rates for the inputs.
2 ^' B5 l9 d) z, z>
+ U: i3 x: U3 }! v0 a1 [ > - Digital output on Transmitter that turns on during the sampling period.
- S) r( a! h! X" r1 v >
* ~8 R0 f1 j+ X- ]. T. q > - Ability to configure a power saving Sleep Mode in the Transmitter by
( r' f! `# s% g3 ]+ p( d4 g > both software control and input hardware control.
! s$ M$ \1 D, {% b* n >
, \0 x' ]7 T; K0 ^* P8 H# H> In order to configure the units, we would need a way to make the
- J; _6 P; s% y" Q > settings. This would preferably be from a computer terminal so that
% c- \' J. K# ~9 [ > configurations can be saved or easily duplicated for production volumes.
$ Q; j9 [: b3 \6 \, H > The units should be small and compact with shielding, and able to mount
# e: N3 Q- C- K- G, c> to a printed circuit board with header connector.
& L% w: H. y% V, g( S: n& H! l1 }>
1 B. ~% i! O o% i8 y/ {! H> At this time, we are interested in samples of a pair of modems that
( [* O1 G% }( U > might be similar to this proposed system. We do not expect that you
' ?2 v g; \0 d* [> provide all of these specifications at this time. I can describe our
% C9 p0 e# G8 `7 q9 k9 n> immediate application needs in the next email if this project is of
7 O5 b, L6 o- p5 q# m> interest to you. Perhaps you can make the samples by those
. ~+ T9 o4 v4 B- A# Q- n6 A > specifications. This will allow us to test your radios before we move
5 _1 [5 W2 j. w& W' G4 B > forward. We are interested in your 900MHz radio to start.
7 Z# l% O# y6 F
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