|
|
( R. p, G& k7 C客户要求如下,如果哪家工厂可以做,请和我联系 1 Y4 ?% K$ s; c$ N
> The application that we have in mind is similar to others that we commonly
. n T t" e, d, n> have. If we were to pay for FCC approval, we would want to use the modem ( Q k/ r9 ^* k/ ?
> units in all similar applications under the same approval number. / d! S* Z, y) l; o
> Therefore, we would like to be able to configure the units to a specific 7 I7 p" ?5 U' [
> application. For the business that we do, this approach will yield more " [& q& n# V8 ?- p
> sales based on the same product and approval. We are interested in the
1 T2 {3 F& u2 s# g6 l> following specifications: & E: ?, f# B( b, Z
> % U: }8 r# }8 \/ z! x/ |
> - 2 inputs at the Transmitter with three possibilities; 2 e0 _# `5 J' C. M5 d& `
> 2 analog $ [- n* r2 M7 r+ C! e$ T8 T6 {: G0 x& y) t; p
> 2 digital 2 ~3 B- c7 |& x0 u( M- l
> 1 analog and 1 digital 3 M- E9 P$ X' y; q
>
9 M. t i% {* s4 X) ~% ~8 y9 l/ g> - 2 outputs at the Receiver with three possibilities to match inputs
7 q" p6 |, i. _5 _>
) O4 e1 [. j3 k, A0 ]7 A4 k> - Ability to configure/define analog Transmitter input ranges through 8 j( d# z `8 J- l3 J
> simple programming method to correspond with full-range analog Receiver 6 R1 x7 [; r' C% \+ V; }
> outputs (0 - full voltage). & ?, J3 Z% |3 k- V! ]+ h
>
% G# k! t2 R! h5 I> - Ability to configure and set sample rates for the inputs.
! T! O+ d( a! t* }* J1 r> ) G3 Y$ A- J% ]- t" V. [& P% c
> - Digital output on Transmitter that turns on during the sampling period.
6 Y: U0 t! y! Q; d>
" t- `" X% [1 p0 j9 b2 _2 t" a+ M> - Ability to configure a power saving Sleep Mode in the Transmitter by 3 V4 x/ _6 M) @# Z% Y
> both software control and input hardware control. 3 T/ M' U$ y# |7 d3 b
> : X6 k _- E* [3 c
> In order to configure the units, we would need a way to make the ) r) {, b+ _/ ~; |
> settings. This would preferably be from a computer terminal so that
' r! J0 `9 n4 e! ?' \% r> configurations can be saved or easily duplicated for production volumes.
7 U6 P+ u) |8 ^! o$ |+ V5 ]" Z> The units should be small and compact with shielding, and able to mount
/ Q3 [* G( q! m; F$ q> to a printed circuit board with header connector. + c! h) V1 ^9 u4 n: W
> " F" y9 D& h0 f: G9 X M
> At this time, we are interested in samples of a pair of modems that
' Y! P6 _; [) d/ @7 }, d4 X> might be similar to this proposed system. We do not expect that you * _0 B' t! I( l8 f4 ]. h
> provide all of these specifications at this time. I can describe our : |9 v) t U; j! y
> immediate application needs in the next email if this project is of # Y! d% s! v& F* |
> interest to you. Perhaps you can make the samples by those
8 C7 m! O9 ]. y7 s+ d# H" |& z. c. v> specifications. This will allow us to test your radios before we move ! l' H+ l) L/ J7 p
> forward. We are interested in your 900MHz radio to start.
R7 _) ?/ U+ S |
|