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: Y$ L. }4 b$ s0 R0 Z客户要求如下,如果哪家工厂可以做,请和我联系 & z, i6 m" h' z# `+ I& g* R- j
> The application that we have in mind is similar to others that we commonly 3 s/ Z! V& H( m4 R% O/ |! }
> have. If we were to pay for FCC approval, we would want to use the modem 2 Q; P$ E9 n. y9 B! J
> units in all similar applications under the same approval number. 0 P& ?5 p; D& ?
> Therefore, we would like to be able to configure the units to a specific - C8 O0 y+ w4 @) W3 X+ s4 f( d
> application. For the business that we do, this approach will yield more . \3 F; H4 n: h; I/ D) U7 o
> sales based on the same product and approval. We are interested in the ' s+ F, V% R U3 [" S" u
> following specifications: 6 J' E U# v" C* `, l3 |
>
2 ?1 x$ D& `4 ~ w" t2 A> - 2 inputs at the Transmitter with three possibilities;
N7 w8 A) f" x7 o8 b& r3 e> 2 analog 0 _! C, ^# I A: U9 C" T
> 2 digital
& O/ q5 t; j0 k4 D* q2 c. g6 {( F> 1 analog and 1 digital # N5 y* h& T7 @8 O, e
>
5 ~0 p. W. V4 z" ^0 T> - 2 outputs at the Receiver with three possibilities to match inputs ) Q% s" z; y. X
> * Q9 K* X+ o5 k" }2 r& m8 z
> - Ability to configure/define analog Transmitter input ranges through % U) ]! a* s7 ~$ c
> simple programming method to correspond with full-range analog Receiver + B* E9 R0 Y6 t0 O4 F! u
> outputs (0 - full voltage).
1 [: d. N( v+ C: ~>
; r1 @4 E5 c7 r% f" q2 z> - Ability to configure and set sample rates for the inputs. ! i0 d7 l/ V. Y3 F
>
' ~" x- V2 v" r# I' r7 v6 K> - Digital output on Transmitter that turns on during the sampling period. . B7 ]: r$ o1 p, ^4 l* q: C u+ n
> * r! k# ^5 W8 S' L) r( y: I8 d5 W
> - Ability to configure a power saving Sleep Mode in the Transmitter by
3 D$ G- T, e2 J> both software control and input hardware control. 7 `# G: l8 m; d' h0 L, D
> 1 d" e% N! n/ _- e) b% s" j
> In order to configure the units, we would need a way to make the
9 ?4 y% w4 l4 J( C$ x7 F> settings. This would preferably be from a computer terminal so that $ l3 D6 N% r4 w& ~
> configurations can be saved or easily duplicated for production volumes. 1 G% }1 U% N& w" `2 g5 W, u
> The units should be small and compact with shielding, and able to mount y: _" t+ L B- X+ Z/ |
> to a printed circuit board with header connector. - h! D# \% ~ a( G
>
/ j7 y' C3 A. R> At this time, we are interested in samples of a pair of modems that / d2 s' i, D8 @
> might be similar to this proposed system. We do not expect that you * R5 q$ T. M" X
> provide all of these specifications at this time. I can describe our
$ {6 G: i) t& i; [6 N> immediate application needs in the next email if this project is of
6 k. q' i2 f! ~% E% E9 {> interest to you. Perhaps you can make the samples by those ) E3 i# B! ^' ]: J1 z3 i
> specifications. This will allow us to test your radios before we move 3 w1 c, @( X, s0 _, M
> forward. We are interested in your 900MHz radio to start. 0 R) W; O9 f/ a( ?' r% A5 y
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