MODE L 3562A
C I RCUIT DESCRI PTIONS
B U SYL
C1 0FSE
C H I RP L
PHAS E COUNTERS BUSY
Active Low
This signal from the phase cou nters goes low after an ARML has occurred
and goes high after the counters finish counting. BUSYL is sent to the status
registers.
1 0x E FFECTIVE SAMPLE RATE CLOCK
In baseband mode this clock occurs at 10 times the effective sample rate.
CH I RP
Active Low
When this control signal is low, the sinusoidal signal from the A4 Local
oscillator is passed through the digital source board without mixing with
the random noise.
C NTRL B U SY
CONTROL BUSY
CONT
CON TRO L
This is the digital source handshake signal for sending the control data word
(CNTLD). If it is "1 ', the digital sou rce is sending the word. If it is "0', the
digital sou rce is ready to send another control data word. This signal is from
the control register to the status registers.
CONTINUOUS
_
When this control signal is high, the digital source keeps the A30 Analog
Source enabled. When low, the analog source is gated by the burst control
circu it.
CONTROL
Signal from the device decoder PAL that latches the control word from
the DS data bus.
C O U N TE N L
COUNT ENABLE
Active Low
ARML starts the phase state machine which sets sets CO UNTE NL low and
the counters start cou nting.
� . � �- -
Example
DA
DB
M U ll
DSE L
Frequency
(U 1 -3)
(U4-1 2)
(U 1 )
(U1 01 -2)
S pans
1 kHz
0
0
x 1
1
3.1 25 kHz
0
1
x 2
1
1 0 kHz
1
0
x 5
1
1 00 kHz
1
1
x1 0
0
20 kHz
1
0
x 5
0
50 kHz
0
1
x 2
0
6-21
Содержание 3562A
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Страница 149: ...IODEL 3562A R1 0 A22 Board Location Key Figure 3 1 7 Analog source component locator A30R 1 0 ADJUSTMENTS 3 21 3 22 ...
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Страница 207: ...MODEL 3562A CR Cl ...
Страница 209: ...MODE L 3562A Cl ...
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Страница 213: ...r A1 a pQWERSuP PLY I 03562 66518 REV A REV 8 8MPOUT 58 58 FRONT REAR P ANEL ii O N ...
Страница 214: ... C401 8S1 15ISI t 1 J400 ...
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Страница 224: ...A3 CQVLCLI A3 ...
Страница 231: ...S V InO 3J nOS N I l3 3 1 1 1X3 NI 31dWVS lX3 H l 1 3 NNVH I 0 Ioe J ...
Страница 237: ...Sample Clock SAMP DS DATA oe _ _ _ _ _ BUS NOTE FULL SPA BASi BAI MODE ...
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Страница 259: ...WRITEL A22L l cc E Vl 8 MHz A23L ASL Inverting A1L A21 L D rivers r ...
Страница 305: ...c c I O Sequencer S r J Sequence Decoder ...
Страница 311: ... FROM 7 1 A2 SYSTEM CPU Dcf L TO 07L FROM A2 SYSTEM CPU ADDRESS L I N ES 7 1 DTACKL A2 SYSTEM CPU IRQTL ...
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Страница 321: ... From Digital Source From Digital Source Serial Data Serial Data Sinewave Interface Front End Interface 3 S D D ...
Страница 324: ...EXT TRIGGER TRIG 1 TRIG 2 CALTRIG CNTLD COMI W CNTCLK LDTRGL RESETL ...
Страница 327: ... RH r I N EXT BUFFER SAMPLE _ _ _ IN ...
Страница 425: ...L_ FAULT ISOLATION Instrument Operational Figure 7 1 3 SELF TEST Sequence MODEL 3562A STOP Enter failure in r t be 7 61 ...
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