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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 U9 o3 y4 T+ V% V" j 客户要求如下,如果哪家工厂可以做,请和我联系
* M; z0 X, }! t7 A% ` > The application that we have in mind is similar to others that we commonly
' a2 o# P) C6 z' e* R7 x> have. If we were to pay for FCC approval, we would want to use the modem
* A8 n5 E- d7 G > units in all similar applications under the same approval number.
6 \# X3 W1 Q1 v: _4 y1 R' a+ v > Therefore, we would like to be able to configure the units to a specific
( @( I3 N( B" ^ > application. For the business that we do, this approach will yield more
3 J7 x5 Y: \2 s/ H: M: I* [) p1 D9 M > sales based on the same product and approval. We are interested in the
- U# Q) @6 Y. x> following specifications:
. `' _7 E: g/ A5 R- S0 A>
9 K: X0 c7 T+ ]! T! y* i: J2 k > - 2 inputs at the Transmitter with three possibilities;
+ F, N6 C4 l: N* L" j> 2 analog
' H/ L+ ?6 i, J" G- i1 Z0 O k" q> 2 digital
; u* k5 F3 ^. ^7 a > 1 analog and 1 digital
6 ]# E- n, M1 C) g* M% E7 ? >
~( m0 o0 b- c: I. K > - 2 outputs at the Receiver with three possibilities to match inputs
0 b$ j, B2 v( L0 i! B; T* A>
& k- j. V; D# a1 m8 C4 V9 M' S> - Ability to configure/define analog Transmitter input ranges through
; g( i+ ~8 f; H' V- M$ x; V' ? > simple programming method to correspond with full-range analog Receiver
1 ^+ E0 E6 }" t' q! Y> outputs (0 - full voltage).
/ h6 _% t; E9 R" L>
' V: B- d- S" i. D9 S; }> - Ability to configure and set sample rates for the inputs.
, O% A# F; X9 t. a) e" c >
5 W' z4 @; }, H > - Digital output on Transmitter that turns on during the sampling period.
9 f0 I- t! u% Y' e >
9 u- U" o) l# O* p+ |5 h* r> - Ability to configure a power saving Sleep Mode in the Transmitter by
v8 d2 b8 [* H* O& Y8 B p > both software control and input hardware control.
& L/ z( c* g7 r. o( o# G>
! i( o, O: w u4 I3 o> In order to configure the units, we would need a way to make the
) e2 b, J+ a) i% ~. l> settings. This would preferably be from a computer terminal so that
: W0 @* `" A+ {7 F/ N) w > configurations can be saved or easily duplicated for production volumes.
7 S: H+ g. f. X9 H> The units should be small and compact with shielding, and able to mount
) N+ [; A% ]$ N+ ?& {> to a printed circuit board with header connector.
* q; I8 E" s1 z: z; ^& D >
+ J* b5 z6 e b; ?$ @ > At this time, we are interested in samples of a pair of modems that
~2 M! U6 D7 o* t7 e1 c > might be similar to this proposed system. We do not expect that you
0 [/ r0 I* e4 P, y6 J( U > provide all of these specifications at this time. I can describe our
; |" w# x) L$ U4 Z: M5 W > immediate application needs in the next email if this project is of
9 j! ~; _& ~# U6 L" y > interest to you. Perhaps you can make the samples by those
6 Z8 P: `: F+ H> specifications. This will allow us to test your radios before we move
( O! j* n8 c c) \3 }# |8 \+ f> forward. We are interested in your 900MHz radio to start.
; B/ N$ L0 j9 `8 d
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