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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

& c4 C. C9 T! v9 J3 C5 } 客户要求如下,如果哪家工厂可以做,请和我联系
3 x2 O* i+ K* i; D > The application that we have in mind is similar to others that we commonly
% `* p( I- E! E# `" m5 ?/ e& D% b > have. If we were to pay for FCC approval, we would want to use the modem
) M) J% [8 ?, S" Y* R4 t > units in all similar applications under the same approval number.
1 U8 x! C4 q4 ~, n! x7 T9 y( ]> Therefore, we would like to be able to configure the units to a specific
0 d5 z4 U2 B' Z: [> application. For the business that we do, this approach will yield more
3 O6 Q. ]# c; U' M > sales based on the same product and approval. We are interested in the
( s4 ]3 w* s m) }: J > following specifications:
: p3 ] y) k6 R: N >
% n# t2 _. F& f- J > - 2 inputs at the Transmitter with three possibilities;
# o) e5 ^) f9 G( o# P& m > 2 analog
( G* i% g/ C: k+ V w > 2 digital
5 X. } Y M: }> 1 analog and 1 digital
" s0 A$ c& U! J >
% H. }! ?, D# X2 S' n" r> - 2 outputs at the Receiver with three possibilities to match inputs
7 |9 E) L9 U: y, r' v! a7 i* N/ [5 r>
5 {) w- ~0 y" R9 V K1 |3 |: |. z> - Ability to configure/define analog Transmitter input ranges through
. E6 `8 D. M! h. K3 H > simple programming method to correspond with full-range analog Receiver
! i: n) S y' j' Q; Z' p2 c& h> outputs (0 - full voltage).
W' i5 z1 {" z; |4 i7 ]3 ` >
M0 J9 M% |& v( f+ ~5 a > - Ability to configure and set sample rates for the inputs.
7 }9 t# P j# ^ U- b>
9 X6 f) `, ~( w" t+ l' J9 L > - Digital output on Transmitter that turns on during the sampling period.
# r, E$ L( R: l! F! \1 _! P" I>
2 h. E3 k; I R> - Ability to configure a power saving Sleep Mode in the Transmitter by
3 d8 R3 T9 c5 T+ I1 M/ U; |) @) f/ `$ T> both software control and input hardware control.
1 k/ W, [ ~. `6 @: ~: M7 b >
+ f9 D7 c. G% g5 \4 G> In order to configure the units, we would need a way to make the
/ {: p& h% o: U9 V# j$ W9 ^* j > settings. This would preferably be from a computer terminal so that
$ T. w+ A" U; S, G: E > configurations can be saved or easily duplicated for production volumes.
3 W9 W2 [6 {) l2 T > The units should be small and compact with shielding, and able to mount
1 Y$ }( E$ B* i% H/ B0 L > to a printed circuit board with header connector.
: e% a3 ^0 J7 \/ ~- n$ b( o>
, I' J1 h* F" z2 v) K > At this time, we are interested in samples of a pair of modems that
' |0 |1 m+ S, g- v. v > might be similar to this proposed system. We do not expect that you
7 G8 c+ \6 }# G1 |8 D4 q/ s > provide all of these specifications at this time. I can describe our
0 B B( u$ N% M5 |$ X> immediate application needs in the next email if this project is of
- m2 A5 o+ K, d0 L; }* _ X > interest to you. Perhaps you can make the samples by those
, F1 r( _! L- s( P& ?. S/ V > specifications. This will allow us to test your radios before we move
% c: n. z/ _+ i6 u, a > forward. We are interested in your 900MHz radio to start.
3 C1 \: U" n3 I/ {. V2 C4 i
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