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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

1 B L4 u% ]% T, E5 N0 G8 I# ?5 j客户要求如下,如果哪家工厂可以做,请和我联系
S$ Y T2 ^; v$ C > The application that we have in mind is similar to others that we commonly
: d3 T3 q) i9 ]4 ~5 T4 e3 q" r# V > have. If we were to pay for FCC approval, we would want to use the modem
4 |( \2 T9 Y5 o* D> units in all similar applications under the same approval number.
E4 d) ?& r# b > Therefore, we would like to be able to configure the units to a specific
4 T- C( ~- E3 ^, J> application. For the business that we do, this approach will yield more
& J# x) F: u+ ^; z% g > sales based on the same product and approval. We are interested in the
: g, A3 ]: g' a, m& g" L > following specifications:
, M# G" b8 k! Y' G3 v >
; b$ G; n% W% w) G% ? > - 2 inputs at the Transmitter with three possibilities;
; n# u4 Z. O' N& \ > 2 analog
$ q3 s: j( K9 j( G- P) I2 \# q> 2 digital
4 e8 r# ~8 g5 x/ c+ l> 1 analog and 1 digital
5 x8 Z. o+ R4 k% Q- q0 M- q>
( w c* D$ @, W7 M > - 2 outputs at the Receiver with three possibilities to match inputs
" v3 D8 x$ M! g5 w/ K >
6 Y; W7 T2 B, n/ F > - Ability to configure/define analog Transmitter input ranges through
5 n& R# A6 |& l& i' e8 I4 v( [' y Y > simple programming method to correspond with full-range analog Receiver
8 z% Z8 y4 _3 ?: @1 r> outputs (0 - full voltage).
- [5 n0 _! X5 \>
. ^% _7 v. o: b7 K6 V > - Ability to configure and set sample rates for the inputs.
: W- N1 y+ ]$ g# u6 o>
- H' {# a+ m6 a- O) V0 O > - Digital output on Transmitter that turns on during the sampling period.
1 T8 e/ E1 l7 X >
/ D" A9 `5 H. A; G! J* ] l+ @+ [% L > - Ability to configure a power saving Sleep Mode in the Transmitter by
3 h+ x) b9 c% g* t8 o, ]> both software control and input hardware control.
& s) g0 `, Q' ^* } >
, S. I. [8 S" c- U > In order to configure the units, we would need a way to make the
1 L' L* s9 {* l6 _/ u m2 [ > settings. This would preferably be from a computer terminal so that
# C3 j- v+ N; p+ ]9 G/ l" V# k > configurations can be saved or easily duplicated for production volumes.
{) j; K6 H3 O3 l/ y2 e* D9 ~+ | > The units should be small and compact with shielding, and able to mount
. M9 [, b3 m/ P, ~2 a. S1 `6 F5 S > to a printed circuit board with header connector.
7 e5 X8 e6 X2 W' l# }$ f >
7 ^8 F5 ?. \0 J > At this time, we are interested in samples of a pair of modems that
- b* c5 m# V, y: s > might be similar to this proposed system. We do not expect that you
2 Y) @7 g7 v" f3 t > provide all of these specifications at this time. I can describe our
6 g2 e4 M" F' w) j/ n( `7 O+ @ > immediate application needs in the next email if this project is of
9 Q4 a. a) y# T# J3 \> interest to you. Perhaps you can make the samples by those
- e& n) V/ E; j: Z* u" }7 { > specifications. This will allow us to test your radios before we move
+ @( V5 q" z' T j! j5 p > forward. We are interested in your 900MHz radio to start.
3 Q" @/ t3 g& P" H* _
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