|
|
3 c' x Z1 `6 p( H( z/ G0 M9 R
客户要求如下,如果哪家工厂可以做,请和我联系 % n0 _ x: K V9 w
> The application that we have in mind is similar to others that we commonly
$ b- J0 }" D& c. Q& P+ i. y> have. If we were to pay for FCC approval, we would want to use the modem
! k2 i$ K* t7 F2 x& |> units in all similar applications under the same approval number.
5 @/ `) Q s% ?' {) R4 S> Therefore, we would like to be able to configure the units to a specific
* [6 c, r) s' R& j7 J> application. For the business that we do, this approach will yield more + c2 s: C3 w8 C! k9 h4 V$ M* o0 p
> sales based on the same product and approval. We are interested in the : Q: Z' x& }# S/ Y/ V. g0 _
> following specifications: & I0 j" V' n: x2 u; ?$ ?" L
>
: d9 U* r9 @7 V9 X Z/ i& J4 }> - 2 inputs at the Transmitter with three possibilities; ( D V& q# f* C7 @+ m2 z! ?) ^
> 2 analog / n: K- j4 X) D$ G
> 2 digital ; \; U5 D/ _) X/ Y! j
> 1 analog and 1 digital
. L* D5 V2 i% B; C>
$ z! g n. P. G> - 2 outputs at the Receiver with three possibilities to match inputs
) r* K* k" q* @+ ~1 }1 z/ h>
+ R0 |" y* b8 J8 i. N> - Ability to configure/define analog Transmitter input ranges through
) L- a% c, `* Z4 u* R) {1 J/ h> simple programming method to correspond with full-range analog Receiver 3 B' X" U9 ^9 o$ s
> outputs (0 - full voltage).
( G! D6 K# Y7 S2 z' i> 5 ~3 r6 C) ]. j) q9 @
> - Ability to configure and set sample rates for the inputs.
2 z4 L0 L& H! C> + L C% I2 |9 T+ [( l6 c
> - Digital output on Transmitter that turns on during the sampling period. . h; @" ^/ T( K/ O- a
> & x+ b$ _* L) w' B/ U) p
> - Ability to configure a power saving Sleep Mode in the Transmitter by
9 D: s' I/ \9 J. w2 T3 s9 C> both software control and input hardware control.
' q$ n5 `$ Z1 q4 }- Y* o! f>
" U- D+ [/ M- z, [9 Y) e" M> In order to configure the units, we would need a way to make the % X# s/ f; R$ w9 g
> settings. This would preferably be from a computer terminal so that
; ^4 C4 f& Z& T* R> configurations can be saved or easily duplicated for production volumes.
( K# l' t6 A& B& r0 F: p& R> The units should be small and compact with shielding, and able to mount + m. M+ C6 \% s
> to a printed circuit board with header connector.
9 ^9 z& K. g' W& v r>
7 Y8 h5 N" `% R# D> At this time, we are interested in samples of a pair of modems that
0 j8 w$ S& a5 J> might be similar to this proposed system. We do not expect that you
( w, G4 ?0 R! e( `> provide all of these specifications at this time. I can describe our
, j3 G' [/ d+ I% \. w> immediate application needs in the next email if this project is of . Q0 |! o7 E9 ] u/ @
> interest to you. Perhaps you can make the samples by those . J { G, ?9 T
> specifications. This will allow us to test your radios before we move 4 k- o4 E$ U; w( j5 s
> forward. We are interested in your 900MHz radio to start.
4 h. R/ e( ?4 E |
|