Operating instructions

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Frequency Synthesiser
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20-Feb-2002 23:40:44
C:\Program Files\Design Explorer 99 SE\rft\t50\t50.Ddb - siggen.sch
Title
Size: Number:
Print Date:
File:
Revision:
Sheet of
A3
RF Technology Pty Ltd
Unit 10, 8 Leighton Place
Hornsby, NSW 2077
AustraliaRev. Release Date: Originator:
Rev No. ECO No. Description of Change
MOD_IN
MOSI
SCLK
MOD_PLL_SENSE
SIGGEN_ADSEL
R609
10K
R608
2K2
D600
MMBV109
-5V
C611
10nF
R602
27K
R604
100K
C605
10nF
CHAN_VCO_OUT
MOD_VCO_OUT
MOD_PLL_IN
CHAN_PLL_IN
VCO_OUT
MOD_VCO_EN
2PORT_MOD
BALANCE
CHAN_VCO_EN
T/R_RELAY
VCO Section
vco.sch
GND
GND
C620
33pF
C614
15pF
R603
27K
C610
470pF
GND
C615
15pF
2
3
1
U400A
LM224
R605
27K
C601
100nF
GND
R606
5K6
R618
1K
R617
1K
C612
100nF
C613
220nF
GND
GND
R620
680R
R619
680R
C622
100nF
C623
220nF
GND
R621
4K7
+5V
+5Q
GND
RESET
SCLK
MOD_ADJ
CHAN_ADJ
C602
10nF
MOD_PLL_SENSE
CHAN_PLL_SEL
RESET
SIGGEN_ADSEL
R611
2K2
R607
5K6
Vref
GND
R622
5K6
R623
5K6
R624
22K
R625
22K
GND
MOD_BIAS
R629
270K
CHAN_BIAS
VCC1
1
VCC2
16
Vp1
2
GND
4
GND
13
DO1
3
DO2
14
FoLD
8
Fin1
5
Fin2
12
Xin
6
Xout
7
LE
11
CLK
9
DATA
10
Vp2
15
U602
LMX2335L
+5Q
VCC1
1
VCC2
16
Vp1
2
GND
4
GND
13
DO1
3
DO2
14
FoLD
8
Fin1
5
Fin2
12
Xin
6
Xout
7
LE
11
CLK
9
DATA
10
Vp2
15
U604
LMX2335L
GND
GND
SCLK
MOSI
SCLK
MOSI
MOD_PLL_SEL
R600
4K7
CHAN_PLL_SENSE
CHAN_PLL_SENSE
C637
56pF
C636
10nF
GND
C600
10nF
C617
100nF
GND
D601
MMBV109
-5V
R612
100K
C638
10nF
R610
47K
C639
100nF
GND
C640
8p2F
R613
47R
GND
R614
47R
+5Q
C616
10nF
GND
GND
R616
47R
+5Q
C609
10nF
+5Q
+5Q
+5V
R615
47R
+5Q
EXT_REF_IN
R628
68R
R630
120R
GND
+5V
C641
100nF
R633
120R
C643
100nF
GND
Q600
MMBT3904
R635
560R
R636
220R
R634
120R
C642
100pF
EXT_REF_DIV
PDOUT_MOD
PDOUT_CHAN
MOD_VCO_EN
GND
QA
3
QB
4
QC
5
1A
1
QD
6
R
2
U605A
74HC393
QA
11
QB
10
QC
9
1A
13
QD
8
R
12
U605B
74HC393
QA
3
QB
5
QC
6
1A
1
QD
7
R
2
1B
4
U606A
74HC390
GND
Vcc
14
Gnd
7
U605C
74HC393
Vcc
16
Gnd
8
U606C
74HC390
GND
C606
100nF
C644
100nF
GND GND
GND
GND
Divide by 128
Divide by 25
CS
9
SCLK
10
Din
11
AGND
14
DGND
12
VCC
13
Vref
3
CLR
7
LDAC
6
PDE
5
OUTA
2
OUTB
1
OUTC
16
OUTD
15
Dout
8
UPO
4
U601
MAX534
Vref
R650
5K6
BALANCE
MOD_ADJ_FINE
VCO_OUT
R648
4K7
Fo_MOD
Fo_MOD
Fo_CHAN
Fo_CHAN_2
Fo_MOD_2
Fo_MOD_2
Fo_CHAN_2
QA
13
QB
11
QC
10
1A
15
QD
9
R
14
1B
12
U606B
74HC390
R646
4K7
C645
100nF
GND
C646
100nF
GND
R649
10K
R647
10K
Fo_CHAN
MOD_IN
MOD_IN
C648
100nF
* C613 AND C623 CAN BE X7R(10%)
C647
NF
L600
BLM31A601
MOSI
+
C626
3u3F
C618
NF
** C625 and C626 should be 10% Tantalums
C635
8p2F
X600
12M
X601
12M
C624
1uF
C629
1uF
C649
10pF
C650
10pF
GND
GND
R631
47R
C631
10nF
GND
+5Q
GND
C630
1uF
C621
1uF
C604
1uF
C634
10nF
C607
1uF
C603
10nF
C619
1uF
C608
1uF
R632
47R
+
C625
3u3F
R637
5K6
GND
3
V+
1
Vo
2
U603 LM61
GND
+5Q
R638
5K6
C651
100nF
R639
10K
Vt
*
*
**
**
Case Size A
TEMP
TEMP
Placed near X601
4
3
1
2 5
U607
TS971LT
-5V
+5Q
MOD_PLL_SEL
CHAN_PLL_SEL
C652
10nF
GND
4
3
1
2 5
U600
TS971LT
-5V
+5Q
4
3
1
2 5
U608
TS971LT
-5V
+5Q
GND
CHAN_BIAS
MOD_BIAS
CHAN_VCO_EN
T/R_RELAY
C628
100nF
C627
100nF
L713
220uH
L718
220uH