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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

6 g! \; ?* |5 z! H. ^. q7 O% z客户要求如下,如果哪家工厂可以做,请和我联系
3 E* a8 ^8 s. r5 P4 z: ?( Y > The application that we have in mind is similar to others that we commonly
; M; u9 i6 @ x1 H' b: P/ o+ O > have. If we were to pay for FCC approval, we would want to use the modem
9 j: f1 E! n6 T& F% E3 \ > units in all similar applications under the same approval number.
) z+ H L0 M1 z; c0 K3 B7 C> Therefore, we would like to be able to configure the units to a specific
# H! E0 O" E0 `' x > application. For the business that we do, this approach will yield more
0 h8 c7 L- N/ i: Z$ d3 j M> sales based on the same product and approval. We are interested in the
8 r7 G* f# Y% Z: Z+ T) M1 c> following specifications:
" y# a" S& T! `>
- q4 K7 _! b/ S7 m > - 2 inputs at the Transmitter with three possibilities;
! {! F! {) j: B w7 c; Q7 r, P$ }> 2 analog
, e5 u: J o/ R, D6 k- t: F > 2 digital
. e9 x% ^# ?# ~( h> 1 analog and 1 digital
5 x# Q/ k% |, n. _0 m>
4 G5 I) ]$ A2 f3 J$ | n. M: b' m > - 2 outputs at the Receiver with three possibilities to match inputs
6 O: R$ I1 z, j. `. i7 D; ^( \ >
8 O, ?, F4 L' h" c+ t6 N > - Ability to configure/define analog Transmitter input ranges through
7 C5 }' f3 A9 b' z2 R> simple programming method to correspond with full-range analog Receiver
/ d3 }) z& K( S > outputs (0 - full voltage).
5 t& E" v. {! P$ M$ p! I>
" I+ j6 n! P; q8 ~. ?. Q > - Ability to configure and set sample rates for the inputs.
|+ C; {8 ~: e% ]# ]* _>
" ?: c1 Z8 _; M: H9 f> - Digital output on Transmitter that turns on during the sampling period.
% V) Q- S' ?# B2 I% V7 G+ O- e; X>
2 K. W2 O+ ?# U1 u4 a) o> - Ability to configure a power saving Sleep Mode in the Transmitter by
$ E4 q4 \6 g' A > both software control and input hardware control.
1 |' t" N2 f+ Y o3 W" p >
6 l: ^% Q" U- ^5 P* L1 K> In order to configure the units, we would need a way to make the
0 t' A' t% E+ L/ v> settings. This would preferably be from a computer terminal so that
+ V9 b) r; _2 s > configurations can be saved or easily duplicated for production volumes.
9 X+ H- |0 w" L9 n0 k& I n > The units should be small and compact with shielding, and able to mount
8 p0 C( p) D4 z > to a printed circuit board with header connector.
s5 v7 Q7 l7 x9 M>
4 N2 r0 E' T2 M: @: C* P- M9 ]7 D > At this time, we are interested in samples of a pair of modems that
# B3 i' @4 z) E8 j > might be similar to this proposed system. We do not expect that you
/ ~5 x# h$ H2 s$ k) t+ O > provide all of these specifications at this time. I can describe our
; _! w7 V% F ^$ q> immediate application needs in the next email if this project is of
8 I# m. N* h& E/ E, V8 l; P> interest to you. Perhaps you can make the samples by those
8 u: a2 \% T& J- R" k# r& V > specifications. This will allow us to test your radios before we move
2 R6 p, e6 P% y& c7 g> forward. We are interested in your 900MHz radio to start.
( J: I _0 C$ ^6 b% N+ P; g
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