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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

" ^8 J0 }; n6 E 客户要求如下,如果哪家工厂可以做,请和我联系
* h9 U5 W+ o- M1 m9 J0 @0 l> The application that we have in mind is similar to others that we commonly
7 y8 G4 @* f0 }0 Q) c( h8 _6 {' l> have. If we were to pay for FCC approval, we would want to use the modem
* J" B) k) l$ V+ |! A. @4 U6 S> units in all similar applications under the same approval number.
0 J: W5 C+ l! \; [ > Therefore, we would like to be able to configure the units to a specific
! d) t( T, Y* C8 Y" ~: w> application. For the business that we do, this approach will yield more
1 A; K! W$ m2 ^7 z8 \+ m! h3 F > sales based on the same product and approval. We are interested in the
: J& P( J" s/ L7 S6 A9 B7 V> following specifications:
9 g! z6 j q. S1 ~1 G6 j2 E6 [! s>
4 Z) U' }& D' q, S# ~. w; D> - 2 inputs at the Transmitter with three possibilities;
) j; c) t% T0 Q1 |/ a > 2 analog
8 |* \7 u1 E+ I > 2 digital
$ ]$ L: i' s& }. J> 1 analog and 1 digital
4 W0 t9 C) y; c W6 q8 D>
' h5 M2 j5 S1 m) F! C. T ] > - 2 outputs at the Receiver with three possibilities to match inputs
9 ]/ a: a9 l3 _- ~* c7 ^1 G( Q >
. z3 |& K- @" l% M" n6 G# d > - Ability to configure/define analog Transmitter input ranges through
; S! H0 E. n( k9 y6 c& H6 y > simple programming method to correspond with full-range analog Receiver
9 W+ K0 j' c: ?7 M/ D j7 A1 ~ > outputs (0 - full voltage).
: C1 J7 \+ m! A& f# J>
8 g1 Y+ v# w( ?# U! [6 s > - Ability to configure and set sample rates for the inputs.
# |. l. k F; T, Z>
0 t& X+ M- w5 n> - Digital output on Transmitter that turns on during the sampling period.
% |$ L+ P7 L3 k: v# | >
$ b) X' X* n. ], O8 ~7 x > - Ability to configure a power saving Sleep Mode in the Transmitter by
$ o) I: T* A6 r2 e% Z4 M X+ s> both software control and input hardware control.
6 y; o0 w, t' k/ Y! y8 ~>
- k M l/ g& d/ n& M5 G4 _& q > In order to configure the units, we would need a way to make the
% N( b V3 k# I2 y> settings. This would preferably be from a computer terminal so that
, }$ }* c* Z) B > configurations can be saved or easily duplicated for production volumes.
. g2 b. Y) [0 R# Z9 `> The units should be small and compact with shielding, and able to mount
7 k% W+ c; l1 C5 g- I > to a printed circuit board with header connector.
3 }, ?- w( S" p0 ]>
9 k4 @6 _3 D7 B! Y' f, } > At this time, we are interested in samples of a pair of modems that
. ]$ F' `8 A N: \% c. w" y& A > might be similar to this proposed system. We do not expect that you
5 e" s( P }+ L# h > provide all of these specifications at this time. I can describe our
' V0 A% H: E5 v: F> immediate application needs in the next email if this project is of
( R @$ C8 M, ?1 m, `> interest to you. Perhaps you can make the samples by those
0 o0 W) F9 A- c: \- S( x > specifications. This will allow us to test your radios before we move
8 ?, M3 ~# O( a G > forward. We are interested in your 900MHz radio to start.
* `0 E+ c# h) U+ w
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