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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

2 P; J7 \; J2 j6 r' U 客户要求如下,如果哪家工厂可以做,请和我联系
4 M- X& S! f8 f% b- \- D> The application that we have in mind is similar to others that we commonly
* r0 P& v/ e6 a; U+ u2 `' h > have. If we were to pay for FCC approval, we would want to use the modem
. d+ Y4 p% X* G; W. J, t ~( s > units in all similar applications under the same approval number.
. K% F' w* b3 E% p6 _, z9 f> Therefore, we would like to be able to configure the units to a specific
% U9 l( W+ s2 w, E > application. For the business that we do, this approach will yield more
. n* u8 H/ g( G > sales based on the same product and approval. We are interested in the
: h5 l+ O0 _( V" W1 v5 W > following specifications:
* R {4 n. u, ?1 S1 ^; D >
3 K/ r( C8 b9 L3 i- `0 r9 l- H6 J > - 2 inputs at the Transmitter with three possibilities;
0 W1 }9 u; t l3 z% C7 F% `8 q > 2 analog
* @. ?* A9 s. m8 N' ~( ^> 2 digital
" U! z4 G0 h; c* }8 B) M1 w. ?> 1 analog and 1 digital
- P+ m0 Y6 H1 c" S >
# @/ s4 k c3 b$ |8 h1 v9 s1 q > - 2 outputs at the Receiver with three possibilities to match inputs
m' [+ Z2 U" W>
2 }9 }" T# s& G3 _. a3 ~, J! ~ > - Ability to configure/define analog Transmitter input ranges through
; d4 j! o. h; Z3 i2 R > simple programming method to correspond with full-range analog Receiver
8 K1 b5 A: r2 p > outputs (0 - full voltage).
, S+ w0 l0 r; l >
/ `! c6 ~4 [8 S) x- [* H > - Ability to configure and set sample rates for the inputs.
1 }( i) f5 U8 t >
P+ X1 r. O7 G L/ E9 d8 r> - Digital output on Transmitter that turns on during the sampling period.
) z+ n4 ^$ Y9 u>
. a2 y' }$ |) E( o' f9 ^8 a > - Ability to configure a power saving Sleep Mode in the Transmitter by
0 j& N$ { D5 s0 l0 T/ x6 l > both software control and input hardware control.
0 f% e w1 q3 ^$ y >
_& S# L2 D7 G. G- B> In order to configure the units, we would need a way to make the
4 X' k8 z, S C5 S; x& I> settings. This would preferably be from a computer terminal so that
1 A4 x) {( j. ?$ o7 T) Y3 E* } > configurations can be saved or easily duplicated for production volumes.
2 ]! {$ W% i" w; P5 T8 i8 L > The units should be small and compact with shielding, and able to mount
2 N7 @: }: t% e1 D> to a printed circuit board with header connector.
; N- D- I3 u4 g7 @; _ >
/ _( v& p/ V& H$ e5 P+ E" N. M> At this time, we are interested in samples of a pair of modems that
7 e+ g" W* e$ u7 ^1 X! R> might be similar to this proposed system. We do not expect that you
$ [$ [- \' d+ Z# a/ |, s> provide all of these specifications at this time. I can describe our
* l7 K0 i* L9 A7 d2 c0 k; \> immediate application needs in the next email if this project is of
. H# I' J, E5 N6 t7 a# U> interest to you. Perhaps you can make the samples by those
9 V6 F7 }$ n. n> specifications. This will allow us to test your radios before we move
# w0 P' X4 r, a5 h8 M- A> forward. We are interested in your 900MHz radio to start.
; x8 K5 s, Z6 F- ]! q7 U; s" e
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