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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

% r5 M4 F5 `) y; _客户要求如下,如果哪家工厂可以做,请和我联系
0 Q6 B) D' {+ H9 J& p > The application that we have in mind is similar to others that we commonly
5 Z' D9 ]% g" s! D5 V% m: h> have. If we were to pay for FCC approval, we would want to use the modem
$ [6 ] C, U- z1 z F; M/ k* c> units in all similar applications under the same approval number.
) L% S6 Q5 \' ~( Z' N4 ?6 r> Therefore, we would like to be able to configure the units to a specific
+ t& n3 Z" E) ~6 B. p y > application. For the business that we do, this approach will yield more
/ w: B' v- l6 L7 i/ M# y8 e6 Y. S > sales based on the same product and approval. We are interested in the
- \+ @ C& o9 Q9 o/ s c > following specifications:
; q0 V: `" y/ I2 Q( R6 @>
" y% A: t! o: N; i9 N7 w5 h> - 2 inputs at the Transmitter with three possibilities;
+ x D r3 n- I' j > 2 analog
& G) W1 E. K% q+ `> 2 digital
6 V* l8 L( o* S! G > 1 analog and 1 digital
1 M8 E0 |* j/ z# j) h >
! H, w, p/ `, a+ r: ^% x& y1 x> - 2 outputs at the Receiver with three possibilities to match inputs
7 K4 c6 P1 |9 R- v >
0 e8 G6 ^# X, S6 T> - Ability to configure/define analog Transmitter input ranges through
' d! ]- X2 W. W) W$ ?7 ~ > simple programming method to correspond with full-range analog Receiver
- `$ s0 k# p6 `- h& v# N > outputs (0 - full voltage).
5 R, L: g) b* ?* k4 n. N>
9 o; e% h w2 b Z > - Ability to configure and set sample rates for the inputs.
5 n5 Y3 x6 P8 d% \+ b8 ?* [ >
5 @8 i: D* r! |4 b4 j1 ~8 W> - Digital output on Transmitter that turns on during the sampling period.
8 J. t7 |+ F B$ m: G>
1 u! M) l2 X5 [( f& V" m> - Ability to configure a power saving Sleep Mode in the Transmitter by
- P P5 J) d1 f! ]/ j > both software control and input hardware control.
" D4 J2 y! x5 K; b& S% L4 H9 A >
, H" b2 e* S% o6 h! N3 ? > In order to configure the units, we would need a way to make the
) a1 ^! R# I4 V* @" |* ^ O8 s" e > settings. This would preferably be from a computer terminal so that
_, I! i! ~2 B+ q4 k3 K > configurations can be saved or easily duplicated for production volumes.
7 o6 s5 {; w! P3 Q> The units should be small and compact with shielding, and able to mount
0 v8 s; h x8 g5 t) a; H6 Q > to a printed circuit board with header connector.
7 Y$ H7 S% b! g9 P& A F>
! W2 T+ y% M: n; g" g8 P > At this time, we are interested in samples of a pair of modems that
$ _0 D* ?) [" w9 L& \3 a5 e4 C3 l, V> might be similar to this proposed system. We do not expect that you
4 C9 y$ n7 l3 v6 |2 K/ f/ t > provide all of these specifications at this time. I can describe our
. \ y& ^8 ^& S f* L% {9 V> immediate application needs in the next email if this project is of
/ [2 D, O3 a0 L. y( s, H6 {9 O+ [> interest to you. Perhaps you can make the samples by those
$ H9 |' m/ s9 A( L4 r# }> specifications. This will allow us to test your radios before we move
5 j9 o( x6 f' ?8 b5 A/ x; E' L# D# l> forward. We are interested in your 900MHz radio to start.
+ h* K% c) \# c9 U
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