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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

( Z! M* ~. ?6 y2 Y! G( F' `客户要求如下,如果哪家工厂可以做,请和我联系
7 Z, j+ ?+ C, a- F > The application that we have in mind is similar to others that we commonly
# E! @" L: d1 ?; `& i+ B8 ~! Q" a > have. If we were to pay for FCC approval, we would want to use the modem
^! I( ^* }2 ~* h& j > units in all similar applications under the same approval number.
! Q" y1 e1 S! p. S( i4 `7 P' Z; I > Therefore, we would like to be able to configure the units to a specific
- _; C) i* C% V% E# o* [> application. For the business that we do, this approach will yield more
. V, C0 f/ U' {& O; k8 g# j > sales based on the same product and approval. We are interested in the
0 v7 ?# Q: O. A7 F% G > following specifications:
2 n- U3 A& L1 `) M; k>
2 K$ H" I9 C# b> - 2 inputs at the Transmitter with three possibilities;
" ~" s! h f% s! U > 2 analog
! b5 ^# c, h) b% p) b; [> 2 digital
" v( _9 V# H" |5 q9 ^, U > 1 analog and 1 digital
2 Q6 W2 m K3 H. x>
6 n+ t7 M/ g. Z7 N > - 2 outputs at the Receiver with three possibilities to match inputs
) i7 W8 `0 I. J% |- M5 [>
5 l$ n& j4 {" [1 R4 `> - Ability to configure/define analog Transmitter input ranges through
6 ]3 n: s" J2 I; ]' h d( T0 j! J4 k > simple programming method to correspond with full-range analog Receiver
' i% y" [0 `* B7 l7 n# Q2 [ > outputs (0 - full voltage).
+ m. Y4 ]6 F0 m7 d. u9 W! @>
6 r9 y" z, n; R7 \( e: |> - Ability to configure and set sample rates for the inputs.
: O5 y( g5 }2 ^$ C0 {* g! \>
$ G" n% f- D" Q9 W > - Digital output on Transmitter that turns on during the sampling period.
6 N, M s4 l3 N. q4 t7 p- M( F >
4 r# e9 j6 d% t > - Ability to configure a power saving Sleep Mode in the Transmitter by
2 o" |0 K( |' z- J' o- v! s: Q4 `> both software control and input hardware control.
0 a2 y, v+ n0 k8 x/ T- i>
+ Z2 M5 h( ]1 w+ z> In order to configure the units, we would need a way to make the
7 e8 j# T& o b+ |$ E> settings. This would preferably be from a computer terminal so that
0 O& L! M1 r' d- R9 |' N > configurations can be saved or easily duplicated for production volumes.
# x0 Z' _8 G D2 I > The units should be small and compact with shielding, and able to mount
. C5 }5 V- v0 v" V > to a printed circuit board with header connector.
4 c. L* y5 M9 d& w; M) M>
9 C0 C- v, q+ R- ?# g> At this time, we are interested in samples of a pair of modems that
) y, H/ K0 U! T) x/ x0 E> might be similar to this proposed system. We do not expect that you
5 I" ]: X: P0 n: k$ j> provide all of these specifications at this time. I can describe our
- y- F' H- d) K& A+ e > immediate application needs in the next email if this project is of
' Q' \5 d. B i" V, [% D" N1 F > interest to you. Perhaps you can make the samples by those
0 m2 ]) l+ b4 ] ? > specifications. This will allow us to test your radios before we move
e- t# J* h! K6 W( [. {3 @- @> forward. We are interested in your 900MHz radio to start.
+ k4 W3 \8 |4 v- d: N5 u
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