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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

% n( D$ B% o0 t, a 客户要求如下,如果哪家工厂可以做,请和我联系
$ z+ P: O2 k, ]) |& ~& ~" E > The application that we have in mind is similar to others that we commonly
' N: k& Q& u/ ?* e5 e0 h+ m> have. If we were to pay for FCC approval, we would want to use the modem
: k4 f. N% l* g0 S% i+ \ > units in all similar applications under the same approval number.
- h) I2 {8 T. m( r* M > Therefore, we would like to be able to configure the units to a specific
9 R9 {- A+ Y0 k) ~2 P( T! G > application. For the business that we do, this approach will yield more
& h4 \ g: D2 K% i, T8 U) E, S E > sales based on the same product and approval. We are interested in the
6 n+ Y( g) G, C9 p$ F2 s- A9 t7 S. t > following specifications:
- m( |5 q g7 x0 q) c >
- m% |8 F) L: x7 R( C > - 2 inputs at the Transmitter with three possibilities;
% [# J$ {4 d! F* ? > 2 analog
( V1 L. s1 {" h$ H2 K( Q0 u> 2 digital
6 E+ O- t" I( G* g( J> 1 analog and 1 digital
, r% Z% o9 q$ C8 Q>
, b$ t- x# q: e> - 2 outputs at the Receiver with three possibilities to match inputs
9 Z8 b( A2 H& J% o- |" {1 t0 ^: l/ P" U( v >
+ i( y' H+ Q/ }! R# x9 D8 A/ z > - Ability to configure/define analog Transmitter input ranges through
* k+ u2 i: w' t# W) O0 \: Z* M> simple programming method to correspond with full-range analog Receiver
U) G/ h: R% {> outputs (0 - full voltage).
) S3 Q( `; q) _>
0 ~( n. W2 \4 k m' R' c: H > - Ability to configure and set sample rates for the inputs.
V0 R7 U$ \( {0 f9 x9 B>
! S( @3 P3 w& m( Q > - Digital output on Transmitter that turns on during the sampling period.
% u% I5 P# I# @- X: J>
2 e7 q( p; D" l. Y> - Ability to configure a power saving Sleep Mode in the Transmitter by
* S5 S4 D2 v- X> both software control and input hardware control.
( d1 E9 `& N" ~$ `, c$ W>
% g" X" K: w3 A' L; G > In order to configure the units, we would need a way to make the
& ?* v% i7 B* q) r7 l# F > settings. This would preferably be from a computer terminal so that
/ ]) ~ b4 {3 ?; I> configurations can be saved or easily duplicated for production volumes.
! @+ J; P4 I/ `$ y4 D3 N > The units should be small and compact with shielding, and able to mount
% ^# ~9 X0 U! X% v, s" o > to a printed circuit board with header connector.
% q9 t, m+ r2 f) c b8 R, t0 s' J>
8 b% Y4 }; J3 t) n& \> At this time, we are interested in samples of a pair of modems that
# ~; e" u7 A) }, _% i> might be similar to this proposed system. We do not expect that you
4 {: r& z8 E$ {7 X8 [ > provide all of these specifications at this time. I can describe our
( U' a# P$ e; f' y9 w; J4 o1 D> immediate application needs in the next email if this project is of
$ Q0 V) R+ u1 V& h. y6 Y> interest to you. Perhaps you can make the samples by those
. S& W% J! v% P, S > specifications. This will allow us to test your radios before we move
: b' C' a4 I0 U> forward. We are interested in your 900MHz radio to start.
4 t! B! j- V$ B; _( k3 H5 \
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