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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

: c- v* u4 o6 {( x6 }0 d4 c3 E 客户要求如下,如果哪家工厂可以做,请和我联系
) V4 y! Q t% F4 t4 }" r > The application that we have in mind is similar to others that we commonly
6 e- p$ `" c2 }! a> have. If we were to pay for FCC approval, we would want to use the modem
) t; ^! }) w. ~1 D > units in all similar applications under the same approval number.
3 j6 D% O; F7 h! g$ T5 k9 ` > Therefore, we would like to be able to configure the units to a specific
4 G, ]# r. e. [2 Z> application. For the business that we do, this approach will yield more
( \$ T5 G. H: k' h > sales based on the same product and approval. We are interested in the
" T+ E: F6 w; w, ] > following specifications:
9 B+ N8 ?# ^+ c+ b1 o1 v>
" | w j5 H6 N* r9 h( v( ` > - 2 inputs at the Transmitter with three possibilities;
) C$ ]2 e% }, t > 2 analog
( x" o+ {( T) q > 2 digital
& D9 O* f9 R2 ]+ i. P# o# B- V> 1 analog and 1 digital
: W4 v+ h3 n/ D>
6 b& J9 v3 p) p: r# G" c7 ]> - 2 outputs at the Receiver with three possibilities to match inputs
0 ~& J4 U+ w4 H$ f >
+ F1 l+ g" l! t- ]' P( N) U1 r+ l> - Ability to configure/define analog Transmitter input ranges through
! C0 U6 \ @- o. h/ p) Y0 X' P j > simple programming method to correspond with full-range analog Receiver
& N- V. p: X9 g% `+ p> outputs (0 - full voltage).
! c5 Z6 o2 l# m7 G0 _>
# L. U5 l8 T- z9 P9 u > - Ability to configure and set sample rates for the inputs.
0 y' a6 w" g% }5 |" z! }>
; X% q% X& |0 h6 H) N8 B; M> - Digital output on Transmitter that turns on during the sampling period.
: j% N9 X* ?! H: O6 Z >
/ I# Q! i) U) }( @: x7 F > - Ability to configure a power saving Sleep Mode in the Transmitter by
0 Y0 _& u+ v3 l4 F# l3 P+ B4 s: P> both software control and input hardware control.
; L* I5 t$ N; z) q >
; a% m* }3 {! C3 o > In order to configure the units, we would need a way to make the
) B y8 I2 o0 ]) ~! n- a7 i' u> settings. This would preferably be from a computer terminal so that
4 s0 i2 g" M. n. L& U> configurations can be saved or easily duplicated for production volumes.
" X& ?9 k% w- c% U > The units should be small and compact with shielding, and able to mount
2 u$ X M& i, n1 t; e' h > to a printed circuit board with header connector.
; @, T+ y, d! o' `6 P>
5 @5 n& O" X, _$ v> At this time, we are interested in samples of a pair of modems that
, P+ W8 H+ S/ T0 N1 u% n# k > might be similar to this proposed system. We do not expect that you
( R- d0 i. E, z> provide all of these specifications at this time. I can describe our
+ E& I2 V0 K: \ > immediate application needs in the next email if this project is of
% V9 U' i1 A7 R> interest to you. Perhaps you can make the samples by those
0 M1 G+ }" f# V; f% P! r > specifications. This will allow us to test your radios before we move
0 P8 f* E/ x; o* U6 X > forward. We are interested in your 900MHz radio to start.
1 n4 O: D" t( ^- y
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