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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

; m, Y. c6 ~/ T, t" Y客户要求如下,如果哪家工厂可以做,请和我联系
8 j( x7 t1 l' I3 ~* z; {( V> The application that we have in mind is similar to others that we commonly
; C" `3 c7 e; X- d' {- h > have. If we were to pay for FCC approval, we would want to use the modem
5 F% G) P9 g: G5 } > units in all similar applications under the same approval number.
8 j& H" F& N8 t! q9 p6 [> Therefore, we would like to be able to configure the units to a specific
# A6 U$ R6 y( e" W > application. For the business that we do, this approach will yield more
/ V6 y/ c5 I7 J/ n/ m4 D/ l> sales based on the same product and approval. We are interested in the
$ O- R# _8 ]5 Y+ h > following specifications:
! \3 |; L1 G, G9 z6 S5 s" i>
, K8 Y/ G) `! ]4 K> - 2 inputs at the Transmitter with three possibilities;
: z) z3 s) m4 T! S0 c, Y > 2 analog
1 T' Q5 K4 X# O. c) f0 ^> 2 digital
# O" _" M W5 ^4 @, A > 1 analog and 1 digital
' {/ W. z0 h7 z2 |3 G>
0 V% ]( |, ^1 j( z Y) A4 e> - 2 outputs at the Receiver with three possibilities to match inputs
: N9 P( m5 x- N( A5 ~; g5 K2 M4 e0 N7 P- S>
' U! A2 m! F* L0 j > - Ability to configure/define analog Transmitter input ranges through
( U: K* Q. I5 K/ g1 ?) g; s( M( } > simple programming method to correspond with full-range analog Receiver
/ z" W$ v2 e% _7 p) \- ? > outputs (0 - full voltage).
" x" i: X3 P4 b >
9 @0 D' ?7 K8 K0 Q0 i > - Ability to configure and set sample rates for the inputs.
- G; }2 [8 C8 S' W) h>
- Q( p# {1 N6 T" ~/ { n > - Digital output on Transmitter that turns on during the sampling period.
0 E4 p D0 J) L& G4 L4 I% r>
; `1 K9 O6 _3 w% j. [% w; {> - Ability to configure a power saving Sleep Mode in the Transmitter by
/ B) a: f" S8 _! a, J: k) \> both software control and input hardware control.
, e( E8 x: k3 z" E0 J8 y>
4 q! k$ [$ E; D! Z. V5 S > In order to configure the units, we would need a way to make the
/ X/ f1 B! _8 V- D% N; C1 O > settings. This would preferably be from a computer terminal so that
) n9 b+ S3 K. i* ?1 w4 p& m) e) G > configurations can be saved or easily duplicated for production volumes.
- v" R$ |+ t, x; ^- q9 m> The units should be small and compact with shielding, and able to mount
7 Y1 i# @/ M1 a: [5 Z! T> to a printed circuit board with header connector.
4 H0 y( b" k$ Z& z7 k, u' p* |1 n; h >
+ L. D& F- B2 A$ A | > At this time, we are interested in samples of a pair of modems that
0 [( ]; e s0 J: ] G& `> might be similar to this proposed system. We do not expect that you
7 h0 f% @, o6 f) A# T > provide all of these specifications at this time. I can describe our
- R6 f, C7 ~/ \/ j j> immediate application needs in the next email if this project is of
0 H/ f! _' Q6 t* j& G: @# x. | > interest to you. Perhaps you can make the samples by those
! X% n1 ?9 }+ k U% |- ~/ a B> specifications. This will allow us to test your radios before we move
1 [9 T* x! D- D1 x8 R3 N: u > forward. We are interested in your 900MHz radio to start.
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