|
|
* j4 E# E( r# C5 y& P
客户要求如下,如果哪家工厂可以做,请和我联系 ; U5 @: R6 B2 ]3 ~3 L. X- u
> The application that we have in mind is similar to others that we commonly ( x- s$ L1 c$ L: D8 X- {
> have. If we were to pay for FCC approval, we would want to use the modem + j G* }) o! p6 G5 Q2 I
> units in all similar applications under the same approval number. % J: K0 P) j6 ]" W/ b5 l
> Therefore, we would like to be able to configure the units to a specific 8 R. I9 [7 X0 X+ z
> application. For the business that we do, this approach will yield more
. Z6 ]. i$ X7 P1 ?) v> sales based on the same product and approval. We are interested in the " f& E5 G% X# F
> following specifications:
7 Y6 C) V/ `: Y6 h0 `0 Z& Q> $ U3 b1 p8 l$ Z% i* f5 x
> - 2 inputs at the Transmitter with three possibilities; & [0 j5 ^0 V6 }: M: ]3 V$ S8 i W4 j
> 2 analog % O0 V; P& ]4 k, n* h7 F+ q4 }
> 2 digital , s! b' c- y$ V6 o6 G6 l
> 1 analog and 1 digital
Q3 x" s9 r5 ~' T' Q; y/ Q> 9 }7 ?( U- L% v, R/ _- K) Y- H
> - 2 outputs at the Receiver with three possibilities to match inputs
2 P$ [# M0 g/ R>
, j/ F3 p8 ^; a. S> - Ability to configure/define analog Transmitter input ranges through 0 V* H% O% v/ z/ K2 P/ v
> simple programming method to correspond with full-range analog Receiver ( V: C$ l3 v: S4 g# T3 e. d
> outputs (0 - full voltage).
; a+ i- B1 h9 X1 Z+ f>
. E C/ e: u C+ x; T> - Ability to configure and set sample rates for the inputs.
0 \. v0 h" t) u' W t> ( }3 |! \4 @- z4 y. M2 d9 H
> - Digital output on Transmitter that turns on during the sampling period.
( f E+ |/ t; N% C q; i> + j- T" k9 b1 @4 N4 p
> - Ability to configure a power saving Sleep Mode in the Transmitter by - O9 p a3 p( a
> both software control and input hardware control. 5 g; c0 Q# c+ [( `& I% y: F
> , |: W7 D( e- {: \3 Z* h# J w, q$ o
> In order to configure the units, we would need a way to make the & X( }! v- _, j
> settings. This would preferably be from a computer terminal so that 3 }2 T2 a" H% ~6 [. R
> configurations can be saved or easily duplicated for production volumes.
& w2 M' x: H' T> The units should be small and compact with shielding, and able to mount / l( C' w u% e; s1 U% a8 h" W0 I$ ~
> to a printed circuit board with header connector.
# D+ I. n* F; L* D> 2 i0 O; A5 j$ ~) I3 ^1 U" \
> At this time, we are interested in samples of a pair of modems that ( I( |& k& n) h% y& s# s4 p
> might be similar to this proposed system. We do not expect that you
9 F4 N1 c* W. ~, Z, L# {> provide all of these specifications at this time. I can describe our & G! L5 @& O3 z* K7 ?
> immediate application needs in the next email if this project is of * S2 Z, h# Q: y/ l' }7 i- I
> interest to you. Perhaps you can make the samples by those 8 v4 [6 f" A/ o6 |4 M
> specifications. This will allow us to test your radios before we move . s3 d8 N, Z3 |1 \7 a; I4 c
> forward. We are interested in your 900MHz radio to start. ' }* @/ B9 M) M* e. p6 d
|
|