|
|
2 L: y6 q o/ b+ Z% f/ O
客户要求如下,如果哪家工厂可以做,请和我联系 9 o# v* Y) l& K( j9 Y
> The application that we have in mind is similar to others that we commonly
4 G& @) ^ K- A% q }" v# R> have. If we were to pay for FCC approval, we would want to use the modem
; [" F% C2 k$ Q! J7 x: g> units in all similar applications under the same approval number.
' G( g& K4 l: w* b> Therefore, we would like to be able to configure the units to a specific
0 R: v( o/ G: a) _6 L0 W5 j> application. For the business that we do, this approach will yield more
0 H `7 ? J! r; f* h; _> sales based on the same product and approval. We are interested in the
5 |. x) G* r5 M( D> following specifications: 4 V g- z1 b C( d' ?
>
! V$ R# X X3 e$ i" n1 O> - 2 inputs at the Transmitter with three possibilities;
. U$ W8 j3 e F> 2 analog . Z9 c: P1 l" J- Z5 M! b
> 2 digital / k) h* V! Y! `, C7 O, J/ J8 V
> 1 analog and 1 digital
- C) n: E/ t. z3 R$ e1 w. Y7 Y7 m9 _3 S>
( c2 J* c0 J. o1 d9 @; c> - 2 outputs at the Receiver with three possibilities to match inputs
$ n" E/ J1 L% k, ~, w B> 8 Y/ E, b4 v$ N5 o$ K1 T: F4 |1 A
> - Ability to configure/define analog Transmitter input ranges through 4 g, E% q3 Y* x& G& B
> simple programming method to correspond with full-range analog Receiver ; |& ]9 v1 S. j6 S+ i+ d
> outputs (0 - full voltage). 8 |3 K" s% E# `, J5 h; J! W+ A
>
9 {& { K$ J; `7 |" W' g0 ]> - Ability to configure and set sample rates for the inputs.
8 p8 S) s- X0 C>
S/ X; ]( h0 z. t) t3 U> - Digital output on Transmitter that turns on during the sampling period. 0 k7 n* G# Y( R/ N
> 4 l; |& `! ?$ I- }, q
> - Ability to configure a power saving Sleep Mode in the Transmitter by 8 N; }3 V3 ?. t! E; J7 }
> both software control and input hardware control.
7 a1 }5 u T3 y5 S>
5 C9 |' U5 E3 j; Z' p: K' K> In order to configure the units, we would need a way to make the
% S0 n" g8 O5 o> settings. This would preferably be from a computer terminal so that
* m( L9 P) j- v0 H> configurations can be saved or easily duplicated for production volumes.
/ p2 p& q j" F6 ]# {6 Q5 M> The units should be small and compact with shielding, and able to mount
! A& }% j! N$ _> to a printed circuit board with header connector.
/ k. }; L& ~$ d3 q7 [! z>
& s( t6 L% [* P$ F& E7 E% e> At this time, we are interested in samples of a pair of modems that
, O% q! K, R& n4 F% a* d# ]" {, }( }> might be similar to this proposed system. We do not expect that you
7 K4 x( O# d2 b3 g) p6 z> provide all of these specifications at this time. I can describe our
0 F G! Q' t- e+ L7 _4 d+ C> immediate application needs in the next email if this project is of
! x( ?- c2 e6 L# @/ Y> interest to you. Perhaps you can make the samples by those
0 \# b- V" D1 ?1 r7 ~+ O% j> specifications. This will allow us to test your radios before we move * m5 S5 u: ]+ [. g, w
> forward. We are interested in your 900MHz radio to start. # H' {' O) g6 Q+ [% A P
|
|