|
|
7 L( y1 m/ ]4 t6 K A& `
客户要求如下,如果哪家工厂可以做,请和我联系
: U: b' V5 b0 o8 p> The application that we have in mind is similar to others that we commonly 7 Z; u6 H( |( ^! y6 ]
> have. If we were to pay for FCC approval, we would want to use the modem 1 u& e, O4 U, t. O) O# j
> units in all similar applications under the same approval number. # u/ F4 O7 d9 Z" K# ^
> Therefore, we would like to be able to configure the units to a specific
8 N- P* M; M) R _3 J3 T) r4 d> application. For the business that we do, this approach will yield more ! J9 _: I* Q$ x. w6 \1 F
> sales based on the same product and approval. We are interested in the
9 R) m' l4 ^/ a2 w3 c9 j> following specifications:
" X2 A4 p5 A7 c% \+ S# e> / k9 w0 D0 K5 s0 Z6 e
> - 2 inputs at the Transmitter with three possibilities; / o# W9 w+ Y' Q6 |, y6 G& {# s
> 2 analog
: z$ P/ ^ n% T/ U/ K Y& p+ X> 2 digital
f2 f1 X+ u$ J: o& l> 1 analog and 1 digital ( z6 E* Q- d6 L/ N
>
8 z6 U: `8 T* m$ o> - 2 outputs at the Receiver with three possibilities to match inputs
" @0 J) ~" o- X/ Z>
! F! ^9 Z! }* S) G4 i4 r> - Ability to configure/define analog Transmitter input ranges through
# f+ k% s5 ^- H; Q. m> simple programming method to correspond with full-range analog Receiver
1 p# p% ~( R9 i; h8 r> outputs (0 - full voltage).
4 V7 N7 C+ j! {$ _> : d |0 _& u6 ~6 k6 f3 u5 X5 y0 ~" j: Q
> - Ability to configure and set sample rates for the inputs.
) Y2 v' n0 h9 ?" u. J>
% W/ K% `( M+ \7 I: N z> - Digital output on Transmitter that turns on during the sampling period. - {1 Q9 c2 q* q k. @8 ?( O1 ?
>
, }; g8 u9 T0 ^+ p; z! w" T> - Ability to configure a power saving Sleep Mode in the Transmitter by 4 F! K5 f" t6 u I
> both software control and input hardware control.
/ ?$ G( F, q' C' ~5 ~( C>
6 I5 H/ {* H/ v" X. L8 {' Q> In order to configure the units, we would need a way to make the . S% y7 Q' e6 x$ r" i% ?! r
> settings. This would preferably be from a computer terminal so that
! O6 I' G( V. P& [: }> configurations can be saved or easily duplicated for production volumes.
2 y; S: w* F1 {2 k> The units should be small and compact with shielding, and able to mount
1 u1 @- V: X# |0 l/ ^: T> to a printed circuit board with header connector. 7 ?" U+ a9 S/ O2 h
>
; X8 s# e3 L: n> At this time, we are interested in samples of a pair of modems that ' @; U6 d7 d9 {
> might be similar to this proposed system. We do not expect that you : m; Q0 Y# ~" d: j- O, Y( ~; S
> provide all of these specifications at this time. I can describe our 5 m$ N' U* y% n/ y( b. Q
> immediate application needs in the next email if this project is of 3 B: v' W1 A7 S) F4 `
> interest to you. Perhaps you can make the samples by those ( n# h! o9 Y$ g; v( D! t* H+ v
> specifications. This will allow us to test your radios before we move
, K% P# E8 v( O3 F> forward. We are interested in your 900MHz radio to start. $ s1 j5 o3 C. w9 S% _
|
|