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, ? W7 B {+ A8 W客户要求如下,如果哪家工厂可以做,请和我联系
. u2 S% f; _/ i; L [7 {6 S7 W> The application that we have in mind is similar to others that we commonly + F3 @: E, R1 @+ C% B7 S9 c W- o
> have. If we were to pay for FCC approval, we would want to use the modem / R4 q& p* H B/ Y/ G
> units in all similar applications under the same approval number.
. G% H8 h9 l) S4 K4 {> Therefore, we would like to be able to configure the units to a specific 4 `/ P3 Z S" Q' _% H( S; d
> application. For the business that we do, this approach will yield more + A3 a( K U! v' I
> sales based on the same product and approval. We are interested in the
; Y% S9 o6 H( _4 V6 q/ C1 T> following specifications: $ b3 @& U$ N' n. a; o5 t
>
2 C$ F% y! a6 p/ r& K, p3 u4 Y> - 2 inputs at the Transmitter with three possibilities;
. e1 Y+ c D7 f1 I( L4 {6 t> 2 analog , A: |1 H9 ?& Y0 x- j9 v
> 2 digital $ o4 e" F/ g3 y
> 1 analog and 1 digital - n0 _: O: h9 d6 p; E( I
> & l! J3 N8 }( h! g0 j6 O, r
> - 2 outputs at the Receiver with three possibilities to match inputs
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> - Ability to configure/define analog Transmitter input ranges through
# X4 h) i- Q/ a> simple programming method to correspond with full-range analog Receiver
( `. L, S: o0 f4 s> outputs (0 - full voltage). 0 \1 D0 ]) l4 r" v
> ( j0 R; G9 d- \8 g: H% W h
> - Ability to configure and set sample rates for the inputs. # W! U% l+ p- q' C% u$ {; |! O6 W2 z! p& [
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> - Digital output on Transmitter that turns on during the sampling period.
+ n8 X4 L7 i/ o! ?$ K* ^% z>
- T/ j# i* P7 I# ]( \+ |: E> - Ability to configure a power saving Sleep Mode in the Transmitter by z& ]' d! p$ s6 A2 d1 G
> both software control and input hardware control. + U/ x$ H% h: f: W
> ' w+ h6 U- t/ t. Q& ?! }
> In order to configure the units, we would need a way to make the
Q ]6 u* e( N" h4 X1 F j> settings. This would preferably be from a computer terminal so that 4 ] Z5 ? V" ?+ L- x1 q" g% Y
> configurations can be saved or easily duplicated for production volumes. # K4 i5 Y; a" {) O
> The units should be small and compact with shielding, and able to mount . G q7 q3 S! \
> to a printed circuit board with header connector. % R( a( J H% q2 i8 ^+ @
> # j6 a" F8 s- ^0 v$ N1 ~' d! h
> At this time, we are interested in samples of a pair of modems that
% R6 E* y- v1 D* g8 U> might be similar to this proposed system. We do not expect that you + c% n! D4 C+ X( [
> provide all of these specifications at this time. I can describe our
6 _9 Y+ \0 J0 _' Z$ w> immediate application needs in the next email if this project is of 7 P7 G. ?& n1 }% ^$ f B
> interest to you. Perhaps you can make the samples by those
1 z" Y" \/ z0 E7 D% B# G( _> specifications. This will allow us to test your radios before we move " P% W# g5 q+ D, f
> forward. We are interested in your 900MHz radio to start.
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