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) [6 Q' y: F& P L6 C$ Q客户要求如下,如果哪家工厂可以做,请和我联系
4 c' ~% }1 Z% q8 s! [! g& ?4 _> The application that we have in mind is similar to others that we commonly / a+ N1 q' { s( K m: {1 Y
> have. If we were to pay for FCC approval, we would want to use the modem ; H/ ~/ A: M, w y7 i& A
> units in all similar applications under the same approval number. " v8 {3 A( r. _/ N b' V' u
> Therefore, we would like to be able to configure the units to a specific $ x9 Z- v+ y2 k2 D" H
> application. For the business that we do, this approach will yield more
+ l+ s M6 L9 N9 M> sales based on the same product and approval. We are interested in the
6 Z. E# c% D9 F0 }7 @> following specifications:
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> - 2 inputs at the Transmitter with three possibilities;
. x9 K. O4 M+ {1 G> 2 analog
, t4 Y* o- J2 k> 2 digital
1 i F8 k2 A5 u# V4 j> 1 analog and 1 digital
! G8 B3 n" {7 w" C t( o) R3 M>
4 G1 U$ d& L' w$ [6 ]; e4 U% L> - 2 outputs at the Receiver with three possibilities to match inputs
c6 a! p9 B: B% H> 1 H& [1 I2 g+ f- q
> - Ability to configure/define analog Transmitter input ranges through
8 e1 c* u3 G' q- X! C> simple programming method to correspond with full-range analog Receiver , e" A: |- I8 u. E: N' E3 \0 o& h$ d: i
> outputs (0 - full voltage). ! G x& L: D' N+ S7 c+ z& p+ g
>
6 r6 H1 O2 S" }3 N: L> - Ability to configure and set sample rates for the inputs.
$ ~* ?0 t; S8 B0 t& z$ x( h- C> ; m( @% S. f, T
> - Digital output on Transmitter that turns on during the sampling period. . k( p& g( [- Z( j- h
>
" Q7 l/ P0 G9 j L5 x4 c> - Ability to configure a power saving Sleep Mode in the Transmitter by
: O& Z) k( `' o T> both software control and input hardware control. ; q5 g8 x6 z! Q
>
/ `; T4 N( ^7 P' p> In order to configure the units, we would need a way to make the
8 W2 A0 F: G3 \> settings. This would preferably be from a computer terminal so that ; r+ L' Y I+ n: H6 {8 Q
> configurations can be saved or easily duplicated for production volumes.
$ C9 M" A; R1 s> The units should be small and compact with shielding, and able to mount
% S+ a( X' \) {: F1 B> to a printed circuit board with header connector. ! s% K# P$ M# Z% @6 j/ u, ?! {/ u* l7 d
> 4 S( T1 a+ v! P3 j7 |
> At this time, we are interested in samples of a pair of modems that , W0 W% e5 Y$ W5 n
> might be similar to this proposed system. We do not expect that you
: M4 i: Q5 X+ d. ?( {# ~> provide all of these specifications at this time. I can describe our ! }: }) {: w2 D6 L% }
> immediate application needs in the next email if this project is of
_, e& u! a2 e4 c> interest to you. Perhaps you can make the samples by those + u% J! S. i4 {* s% a
> specifications. This will allow us to test your radios before we move
+ C9 m& }# p+ o! R0 n @! l> forward. We are interested in your 900MHz radio to start. ! Y3 a9 U- W+ |& Y2 h8 e
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