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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

+ g6 Q& D1 I0 s9 e9 L/ Z4 F客户要求如下,如果哪家工厂可以做,请和我联系
! [/ o Y! x4 y$ a> The application that we have in mind is similar to others that we commonly
9 q3 S9 P( F6 f> have. If we were to pay for FCC approval, we would want to use the modem
1 N& m5 m' U& [( z! T+ N( S; U9 f > units in all similar applications under the same approval number.
K" [# Y* k$ c B0 G3 r > Therefore, we would like to be able to configure the units to a specific
% I) z: J% ?, W# B2 y) Q> application. For the business that we do, this approach will yield more
# d( J- W8 u/ O3 _( v > sales based on the same product and approval. We are interested in the
$ j) ?/ n' j& H8 M( V > following specifications:
! A, q* y6 r: M1 s# W* a8 h+ r" U% C >
2 e8 F8 v6 u' u r> - 2 inputs at the Transmitter with three possibilities;
2 {% J8 w: v2 u2 g+ i> 2 analog
2 G# \* F) G# B# v* ~" v, Q> 2 digital
; Y0 L, J6 Q0 a# | > 1 analog and 1 digital
/ s: c$ y/ Y9 c# Q5 \7 P: {>
) S# I9 U! @4 \& G > - 2 outputs at the Receiver with three possibilities to match inputs
4 d$ ?1 f% i- z0 Z! G1 M( v>
' J2 K0 j( E' `* O6 |* u > - Ability to configure/define analog Transmitter input ranges through
) y" y2 Q0 \( }6 Y8 u > simple programming method to correspond with full-range analog Receiver
3 A$ U9 ~5 c; i) t, l, Y > outputs (0 - full voltage).
/ W, a) j( v, M4 Z# V* C>
* A/ {/ m7 p' X& R> - Ability to configure and set sample rates for the inputs.
- A! J' F8 Y5 [0 k* j# [ >
; H: d, d1 E0 p7 B* {> - Digital output on Transmitter that turns on during the sampling period.
0 N1 E+ g( i; j/ ?9 W o0 Q>
; K% V9 X _# d- c6 `: ] > - Ability to configure a power saving Sleep Mode in the Transmitter by
$ H% e5 M8 k* }. k" X> both software control and input hardware control.
0 {5 r( G4 a& Z/ u2 q# q- ~% t+ r>
: h$ E; [7 F7 L: j7 U( [> In order to configure the units, we would need a way to make the
" P7 G( E3 C4 W4 I > settings. This would preferably be from a computer terminal so that
5 l# ]; l0 K, p0 Z > configurations can be saved or easily duplicated for production volumes.
! {5 r/ j3 c* W: x9 E> The units should be small and compact with shielding, and able to mount
* M/ v" N+ o8 U6 @" q> to a printed circuit board with header connector.
7 A# _0 o9 k8 v' D2 B: X2 h- a>
0 S+ B7 t1 ^) P > At this time, we are interested in samples of a pair of modems that
1 y* p7 O, z6 \( i7 u. g/ g* H; D9 ` > might be similar to this proposed system. We do not expect that you
4 M5 J; Q4 F9 D3 `) ~9 M > provide all of these specifications at this time. I can describe our
+ F; o2 z; g- P- y> immediate application needs in the next email if this project is of
; E9 t' v F3 }2 H > interest to you. Perhaps you can make the samples by those
" k2 g# K5 h5 o+ n+ w9 C n > specifications. This will allow us to test your radios before we move
( g2 ]3 d( p$ N > forward. We are interested in your 900MHz radio to start.
+ j3 j0 O. ~# F4 z
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