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! T) M; W$ K( ^, h' z" j' C. ]客户要求如下,如果哪家工厂可以做,请和我联系 & ]+ M& m. i/ D* z" V
> The application that we have in mind is similar to others that we commonly 4 s( t; d9 @9 e4 M( @
> have. If we were to pay for FCC approval, we would want to use the modem ( I1 q+ e$ j* z% C" w* m/ X; C! x
> units in all similar applications under the same approval number. & B) I. q5 B% M$ |4 S% Y' k
> Therefore, we would like to be able to configure the units to a specific ) s0 Z! W/ X: [0 J0 Q6 @) _
> application. For the business that we do, this approach will yield more
5 x$ C; q; [7 H- C, X/ k. k> sales based on the same product and approval. We are interested in the , i8 c2 k, l% A
> following specifications:
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> - 2 inputs at the Transmitter with three possibilities;
# @) T: e: [; s2 _- N8 C> 2 analog 2 Y) \" A! M: v
> 2 digital 5 y W0 y7 [8 e, ?; R/ G; }
> 1 analog and 1 digital
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> - 2 outputs at the Receiver with three possibilities to match inputs
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> - Ability to configure/define analog Transmitter input ranges through
# V9 g+ {2 L) H! b; b% G' V7 n! x/ M> simple programming method to correspond with full-range analog Receiver 6 c4 K* ~- t$ f. \4 p, M7 f( A5 }
> outputs (0 - full voltage).
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> - Ability to configure and set sample rates for the inputs.
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0 v$ o2 S9 a: R6 c" d$ L* X> - Digital output on Transmitter that turns on during the sampling period. 6 ^% N" D4 j2 Z+ k; ~: `* U
> ( y9 Z3 I( j( W, v' K6 T4 k
> - Ability to configure a power saving Sleep Mode in the Transmitter by ! _! @8 z8 x, K4 c d$ q2 m7 A
> both software control and input hardware control. $ @% p+ }" G$ C+ E/ S' {) u
>
- w' r5 \ Q2 n/ u" D& q5 h( s> In order to configure the units, we would need a way to make the
3 e# \ N3 p; q- E5 e> settings. This would preferably be from a computer terminal so that ' O1 [2 S" D" V: z. |2 m8 y' Z5 y
> configurations can be saved or easily duplicated for production volumes. 3 j& i/ |; b3 B% t$ C/ ^" ]
> The units should be small and compact with shielding, and able to mount
, I( C8 o+ q9 x) Q; e9 [> to a printed circuit board with header connector. & K' Y; E' T1 V. C5 L0 H! A% r
>
8 A5 c/ y1 _* B5 k> At this time, we are interested in samples of a pair of modems that
# O# x2 h2 B* f1 E3 N> might be similar to this proposed system. We do not expect that you $ v# Z& I2 t( O
> provide all of these specifications at this time. I can describe our
e4 ^* y7 ^$ c5 D1 L( R; M9 s> immediate application needs in the next email if this project is of 0 n% ]" T& `- j. |. z5 u
> interest to you. Perhaps you can make the samples by those
4 e/ M8 F* m& W3 C> specifications. This will allow us to test your radios before we move
' B- X) p/ Q1 l4 l> forward. We are interested in your 900MHz radio to start.
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