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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

- k* ?8 y) \! W% F6 O客户要求如下,如果哪家工厂可以做,请和我联系
! K4 D' h0 R A; l( y > The application that we have in mind is similar to others that we commonly
1 N' \7 }% A, k. q5 P4 t4 T/ {3 M> have. If we were to pay for FCC approval, we would want to use the modem
$ k3 w: i5 T4 _* y> units in all similar applications under the same approval number.
0 Z7 ^0 R6 ?2 X$ k& p" f/ a> Therefore, we would like to be able to configure the units to a specific
, y" d# i$ i" W1 `. q8 D* z> application. For the business that we do, this approach will yield more
F+ R* s# y/ v( v: l > sales based on the same product and approval. We are interested in the
7 v. b& Y* S3 h2 s2 L) }' x" C > following specifications:
! N; }% q% }; w>
9 o6 b$ W% n- j! E1 O > - 2 inputs at the Transmitter with three possibilities;
+ ?0 I) t. b/ ]' v6 W6 b> 2 analog
0 Z1 n( W1 P6 X: Y7 j> 2 digital
" y$ Z% ^" o* g5 }& c$ r9 B, t> 1 analog and 1 digital
" a0 p7 M& X% v+ b% g2 Z0 h>
+ A, Q4 `) ^) s > - 2 outputs at the Receiver with three possibilities to match inputs
6 ]7 q( l, L3 a0 D- A- \: {* j >
s3 I5 w4 _; ?, b> - Ability to configure/define analog Transmitter input ranges through
" L- X9 X' v3 V J> simple programming method to correspond with full-range analog Receiver
, t, e/ P/ q/ l: [ > outputs (0 - full voltage).
3 g, f* b; Q3 R >
$ I5 ^7 [2 ]7 g7 _+ g. ~" C m! s> - Ability to configure and set sample rates for the inputs.
1 l6 u8 h5 j% } ]- b! d5 D >
& Q/ Z- a! w& p; `! z- P > - Digital output on Transmitter that turns on during the sampling period.
/ T) ?; @: D, S4 R>
6 N. f4 Z3 ?7 b9 ?6 e6 f > - Ability to configure a power saving Sleep Mode in the Transmitter by
2 B/ L" o2 J/ q# D3 O& s > both software control and input hardware control.
9 z4 B- i+ {+ [! _>
# j- t8 I' s% v3 Z> In order to configure the units, we would need a way to make the
( z* n3 {$ ?. R- u+ X* C& L Z3 y> settings. This would preferably be from a computer terminal so that
, B% z" [9 M4 u2 u > configurations can be saved or easily duplicated for production volumes.
* m/ K- }3 P* A" s& Z+ |> The units should be small and compact with shielding, and able to mount
G2 v# i6 [& n) B# k( Q' u > to a printed circuit board with header connector.
" m" {7 t. t; S" V>
! v# ?" o: C1 R! d' G9 L3 y> At this time, we are interested in samples of a pair of modems that
0 _+ o% t- N4 o0 F; A> might be similar to this proposed system. We do not expect that you
4 `' J. f b/ R7 z > provide all of these specifications at this time. I can describe our
$ n; r6 o" I# J8 f- @: _ U8 X+ V > immediate application needs in the next email if this project is of
" e, M0 f7 G" [ s1 c! L> interest to you. Perhaps you can make the samples by those
, y9 T( ~2 R7 I$ e/ ^ > specifications. This will allow us to test your radios before we move
( a1 ]6 b. p% {% s > forward. We are interested in your 900MHz radio to start.
1 O# O1 K$ K! B$ ]7 ?5 c
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