Combo BB Schematic updates. Please READ,
th
27 July, 2010. DSP motherboard, (sheet 5) The RS232 switch Farnell part number has been corrected. Please verify
all numbers given in these documents though by checking Data sheets etc.
5th July, 2010 No changes except make all pdf pages Landscape as pages were mixed landscape and portrait. 9th June, 2010 Clarified pinout of the Mini-Circuits T4-1 transformers in Magic Roundabout, sheet 8. (added pin numbers in red, of the T4-1, to the transformers. Also, a note in top right corner.) NOTE: Re winding of “L3303” on the DDS 2N3866 buffer amp: PnM Part three calls for 8 bifilar turns 32 swg on FT37-43. 30 gauge US would be fine. Or Metric equivalent.
28th March, 2010 The DSP motherboard area (sheet 5) has been updated to clarify the connections from the Serial Data switch routing to the Trxavrb PCB (or PICnMIX if used) See bottom area of the sheet. 4th March, 2010 TIMER: Resistors R794 and R796 have been changed from 1k to 470R. This mainly affects those using Trxavrb and Ian, G3VPX’s, Peak SWR with PA shutdown on high SWR. 31st Dec, 2009 The butler Osc. C306, value changed from 8.2pF (8p2) to 68pF to be in line with original value by G3XJP and ensures better output level at 10M. < ref Jay Cox > Please also note that the 0603 LED’s fitted to the PCB, in the BPF area do NOT all run in the same direction. The LED for wide-band is fitted reverse to all of the others. HINT: Test an LED with your multimeter on diode range to make sure of the polarity before fitting. vk3pe
1
2
Serial data:- PICnMIX or TrxavrB
TWIN SHIELDED CABLE TO Trxavrb
3
4
THESE ARE THE SCHEMATICS FOR COMBO STAR Vers "BB"
J11 4 2 COMBO Trxavrb 3 1 Gnd
16 SHEETS TOTAL IN PROJECT
28th March, 2010
COMBO STAR
COMBO-IF_Sht2 COMBO-IF_Sht2.SCH 10V_IF HF-PORT LO-INJECTION
D
LF-PORT
D
26-03-10
COMBO-DSP_MBD COMBO-DSP_MBD.sch
KEY PTT
PF2 PF3 PF4 PF5 PF6 PF7
DSP-LD TO PnM/ Trxavr
+7V IRQE IRQ2 IRQLO IRQL1 FL0 FL1 FL2
FROM PICNMIX OR Trxavrb
MIC. INPUT
MIC
RX LEFT AF RX RIGHT AF/TX
TX/RX IF
COMBO-OPTO_AUDIO COMBO-OPTO_AUDIO.Sch
MIC-IN-TO-CODEC RX 15KHZ
+12V +12V
RX LEFT AF LEFT-IN RX RIGHT AF/TX RIGHT-IN
LEFT-IN RIGHT-IN PTT input KEY input
C PF0 PF1
to DSP
+12V +10V
DSP LED 13.8V DC SUPPLY FROM PICNMIX OR Trxavrb
POWER-IN PA_DISABLE TR_STAT
Tx PA BIAS +12VRx +12VTx
Tx PA BIAS
To PA
COMBO_BPF_SHT1 COMBO_BPF_SHT1.SCH
1.8MHz 3.5MHz 5MHz
+12VRx +12VTx 1.8MHz 3.5MHz 5MHz
COMBO-MR COMBO-MR.sch +12V
COMBO-DDS COMBO-DDS.SCH
COMBO-BPF-SHT2 COMBO-BPF-SHT2.SCH 7MHz 10MHz 14MHz
FROM PICNMIX OR Trxavrb
7MHz 10MHz 14MHz
5V_2 DATA W-CLK FQ_UD
DDS-OUT
B 12V_BPF
+12VTX NF/IP3-48 IF-IN-OUT MR_IN_OUT
COMBO-DDS_FILTER COMBO-DDS_FILTER.Sch COMBO-BPF-SHT3 COMBO-BPF-SHT3.SCH
+12V DDS-FILTER
COMBO-BUTLER COMBO-BUTLER.SCH
12V_BPF 18-21 24-28-29 BAND9
Tx PA BIAS GND
+10V +12VRX +12VTX
+7V
COMBO-TIMER COMBO-TIMER.sch
B
1.8MHz 3.5MHz 5MHz 7MHz 10MHz 14MHz 18MHz 21MHz 24MHz 28MHz 29MHz
MIC-IN-TO-CODEC RX 15KHZ
RES DTO RFSO DRO SCLKO
HF-PORT
NARROW AGC
PF0 PF1
+12V
BAND SELECTS
LF-PORT
COMBO-CODEC COMBO-CODEC.Sch
DT1/FO DR1/F1
COMBO-MATRIX COMBO-MATRIX.SCH
ATTEN-72 CW-23 USB-79 LSB-43
COMBO-IF_Sht1 COMBO-IF_Sht1.sch
PF2 PF3 PF4 PF5 PF6 PF7
PF2 PF3 PF4 PF5 PF6 PF7
RES DTO RFSO DRO SCLKO
RES DTO RFSO DRO SCLKO SCLKO SPARE-LED GND RX 15KHZ RX LEFT AF MIC AF RX RIGHT AF/TX TR_STAT
FROM IF
COMBO-DSP COMBO-DSP.SCH
JACK3
NARROW AGC DSP-LD PF1 PF0 TO_TX_DSP IRQE IRQ2 IRQLO IRQL1 FL0 FL1 FL2 PF0 PF1 +5VDSP PF2 5V-DSP-MBD PF3 DRO PF4 DTO PF5 RFSO PF6 RES PF7 DT1/FO DR1/F1
SERIAL DATA IN FROM PnM / Trxavr
C
+7V
DDS-OUT
+10V
DATA W-CLK FQ_UD
18-21 24-28-29 BAND9
+12V +12V
WB_LED DDS-FILTER
RF-OUT
RF-OUT
LO
LO
09-06-10 CLARIFY MINI-CICRUITS PIN NUMBERS ON 'MR' SECTION +5V_PNM
+5V_PNM
5V TO PnM IF USED
040310 Timer: R794 & R796 NOW 470R (WAS 1K) 040310 BPF R1008 value obscured
31-12-09 C306 in Butler Osc should be 68pF 07-12-09 minor tidy up only 280809 ADDED DUAL FOOTPRINT FOR ADSP-2181
10509 add led on DDS filter added PA bias and 12v to JP401 in matrix 010509 CHANGED F/P FOR BC517'S 300409 CHANGE F/P OF LM317l 04-03-10 Updated on: Updated by:
A
vk3pe
COMMERCIAL-IN-CONFIDENCE To Tx LPF
NOT TO BE DISCLOSED WITHOUT WRITTEN AUTHORITY
28-03-10 clarify connections for serial data to Trxavrb (sheet 5)
PCB file name:-
Title:
Size:
Number:
Issue:
A3 Printed on: 5-Jul-2010 10:00:08 Sheet 1 of 16 File: H:\COMBO-SCHEMATIC-PROJECT-121109\COMBO_PICASTAR_Vers_BB_111109.prj gp
H:\COMBO-SCHEMATIC-PROJECT-121109\COMBO_PICASTAR_Vers_BB_111109.prj 1
2
3
4
A
1
2
3
4
5
6
7
8
PICaSTAR "MOTHER BOARD" section FOR DSP THESE ARE THE SCHEMATICS FOR COMBO STAR IC19 78L05
+7V +
1
1N4007 1N4007 1N4007
IN
C69 220uF
OUT
3
5V-DSP-MBD +
C1100 100nF
from IF
D
MIC AF
MIC AF RX 15KHZ
RX 15KHZ SCLKO
SCLKO DRO
CODEC HERE
FL1
FL2 DTO RFSO
DTO RFSO to IF
RES
RES RX LEFT AF RX RIGHT AF/TX
RX LEFT AF +7V RX RIGHT AF/TX
+5VDSP GND
DAC
5V-DSP-MBD R9 1K
IRQL1 FL0 FL1
FL0
DRO
see other sheet
+5VDSP GND 5V-DSP-MBD
IRQE IRQ2 IRQLO IRQ2 IRQL1 IRQLO
PF7
PF7
PF6 PF5
PF6 PF5
1
2
3
NARROW AGC
R40
R39 22K
+
PF1
to IF
NARROW AGC
C30 33uF
22K
PF2 PF1
PF2 IC23B
AGC to IF section
16 15 14 13 12 11 10 9
OUT-1 Rfb OUT-2 Vref GND +Vdd DB7 WR DB6 CS DB5 lsbDB0 DB4 DB1 DB3 DB2
PF4 PF3
PF3 IC23A
1 2 3 4 5 6 7 8
C66 100nF
FL2 DTO RFSO DRO SCLKO RES +7V DT1/FO DR1/F1
PF4
5V-DSP-MBD
IC8 TLC7524CD
see DSP sheet
CAN FIT "C-CASE" OR RB TYPE
D
C
28-03-10
C131 4u7
2
DC VOLTAGE INPUT
GND
~ 8v dc
C108 100nF
D34B D34A D34 +10V
+10V
key line
PF1
C
4
From opto
+
R91 2K2
74HC14
C133 1uF
74HC14
SW2 1SW-DPST
2
3
4
IC23E 10
R92 2K2
9
ALSO "P1" ON PCB
1 3 4 5 11 10 12 9
C119 + 1uF DT1/FO 'DSP' LED ON PCB
R89 NOT FITTED
14 GND
12
D35 LED
R89 not used.
C1+ C1C2+ C2T1IN T2IN R1OUT R2OUT
Vs+ VsVCC GND T1OUT T2OUT R1IN R2IN
2 6 16 15 14 7 13 8
6
NOT official mod.
C118 1uF T1-O R2-IN NC R1-IN T2-O
NC
+
IC23C
13
74HC14
To TIMER
C117 1uF
MAX232 IC21
DR1/F1
330R
TR_STAT
C199 1nF
+
R89A
TR_STAT
5V-DSP-MBD C116 1uF +
SW-DPST
IC23F
2
100uH
SERIAL PORT
INTERRUPT SWITCH
3k3 (changed on 23rd Nov 2007) R90
B
L199
1
3K3
IRQE
74HC14
SW3
C114 100nF
R44
FL0 8
74HC14
C113 100nF
PTT line
PF0
IC23D
11 R99 100K
PF0
PF0
RESET SWITCH
+
R98 100K
5
"OUT" "IN"
B
C115 1uF
74HC14
7
{No effect on STAR functionality}
STATUS PIC (on PnM)
150707 IC23F WAS UNUSED, IS NOW EXTERNAL LED DRIVER
SUITS VK3PE PnM PCB NOTE: the DPDT switch is a horizontal action switch.
For use with Trxavrb & HOBCAT , after DSP code loaded and AGC has been calibrated,
refer to WWW.ALTRONICS.COM.AU Cat number S1360 for drawing.
a 1k resistor should be fitted across pins 2 and 3. (Fit to a spare DB9 plug)
J1
These switches also carried by Farnell.
'MONITOR' or 'NORMAL' SELECT
eg C&K type 7101MD9ABE (check !) Farnell 957-4786 (check it !)
SPARE-LED
SPARE-LED 1
to dsp led on front panel (picnmix)
100uH L198
You can wire in to the PCB any suitable switch if you wish.
2
C198 1nF
SW1 SWITCH DPDT EG ALTR. S1360 NORMAL 3 2 1
PICaSTAR DSP by G3XJP Copy by VK3PE, if in doubt, refer to original schematics on STAR Yahoo site.
names on lines are "NET" names. like names connect together
4 NC NC
{ these points are on the switch}
COMBO Trxavrb
2
07-12-09 minor tidy up only
040509 removed reset NET on switch 13th Nov 07 minor text updates & corrections. 150708 IC23F WAS UNUSED, NOW EXTERNAL LED DRIVER
0 7
Sheet: 5
TO_TX_DSP
TO_TX_DSP
of
TWIN SHIELDED CABLE TO Trxavrb
3
4
5
A
MARCH 07 REMOVED WIDE AGC PARTS 18-06-06 STARTED THIS PROJECT !
DSP-LD
DSP-LD
181108c1100 was c100 SK8 NOW SK8A 20th Nov 2007 "UPDATE_1" CLARIFY SERIAL PORT & R90 now 3k3 (was 330R)
MON
ON PCB "DATA TO PnM" Serial data:- PICnMIX or TrxavrB
ON PCB "DATA FROM PnM" 1
28-03-10 clarify connections for serial data to Trxavrb
5
A
J11 1 Gnd 2 3 4
To PC
DB9-F
6
R1-IN
1 6 2 7 3 8 4 9 5
FOR 1206-0805 23-08-07 6
16
SCHEMATICS BY VK3PE & C.S. TITLE:H:\COMBO-SCHEMATIC-PROJECT-121109\COMBO-DSP_MBD.sch
FOR PANEL
"VK3PE" 7
Vers 8
1
2
3
4
5
original build Vers 1.0 POWERED UP 17-07-06 !
6
7
+5Vdsp
MOTHER BOARD AND DSP ONLY
8
12-11-09
prefix 100
+5Vdsp
LED FLASHES !!! DRAWS ABOUT 112mA
R78 10K
PRESS RESET, DRAWS ABOUT 33mA
THESE ARE THE SCHEMATICS FOR COMBO STAR
C107 100nF
IS
IS
D
D +5Vdsp
R81 10K R82 10K
DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ8
E G/VPP
A8 A9 A10 A11 A12 A13
20 22
14
IRQE IRQ2 IRQLO IRQL1 FL0 FL1
IRQE IRQ2 IRQLO IRQL1 FL0 FL1
1 FL2 DTO RFSO DRO SCLKO RES
FL2 DTO RFSO DRO SCLKO RES
C120 18pF
16.67MHz X3
2
GND
PF4 PF5 PF6 PF7 PF4 PF5 PF6 PF7
128 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 C2 100nF
A0 A1 A2 A3 A4 A5 A6 A7 XTAL CLKIN
+5Vdsp
A8 A9 A10 A11 A12 A13
+5Vdsp
R84 10K
C101 100nF
C121 18pF
DT1/FO DR1/F1
DT1/FO DR1/F1
ADSP-2181
IRQE
B
R83 10K
11 12 13 15 16 17 18 19
GND
codec/DSP
D0 D1 D2 D3 D4 D5 D6 D7
D6 D5 D4 D3 D2 D1 D0
+5Vdsp
IS GND PF4 PF5 PF6 PF7 IAD0 IAD1 IAD2 IAD3 IAD4 IAD5 GND Vdd IAD6 IAD7 IAD8 IAD9 IAD10 IAD11 IAD12 IAD13 IAD14 IAD15 IRD IWR
IRQ2
+5Vdsp
PQFP
BMS D7
IRQE
C
A0 A1 A2 A3 A4 A5 A6 A7 XTAL CLKIN
10 9 8 7 6 5 4 3 25 24 21 23 2 26 27 1
FIT ONE PART ONLY.
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15
ALTERNATE FOOTPRINTS FOR ADSP-2181
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
BMODE PWDACK IACK BGH Vdd GND IRQLO IRQL1 FLO FL1 FL2 DT0 TFSO RFSO DRO SCLK0 DT1/FO TFS1/IRQ1 RFS1/IRQ0 GND DR1/F1 SCLK1 ERESET RES EMS EE
27C512
RES
28
IC126
RD
102 101 100 99 98 97 96 95 94 93 D7 92+5Vdsp 91 90 89 D6 88 D5 87 D4 86 D3 85 D2 84 D1 83 D0 82 81 80 79 78 77 76 75 74 +5Vdsp 73 72 71 70 69 68 67 66 65
GND D23 D22 D21 D20 D19 D18 D17 D16 D15 GND Vdd GND D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 GND D4 D3 D2 D1 D0 Vdd BG EBG BR EBR EINT ELIN ELOUT ECLK
39 40 41 42 43 44 IRQLO 45 IRQL1 46 FL0 47 FL1 48 FL2 49 DTO 50 51 RFSO 52 DRO 53 SCLKO 54 DT1/FO 55 DR1/F1 56 57 58 59 60 61 RES 62 63 64
BMS
IAL PF3 PF2 PF1 PF0 WR RD IOMS ALTERNATE FOOTPRINTS FOR ADSP-2181 BMS DMS FIT ONE PART ONLY. CMS GND TQFP Vdd PMS A0 A1 A2 A3 A4 A5 ADSP-2181 A6 A7 XTAL CLKIN GND CLKOUT GND Vdd A8 A9 A10 A11 A12 A13 IRQE MMAP PWD IRQ2
PF32 PF23 PF14 PF05
1
RD C103 100nF
96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
2
+5Vdsp
PF7
PF7
RFSO DRO SCLKO DT1/FO DR1/F1
PF6
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
ICALT27 ADSP-2181
ADSP-2181 1
PF5 PF6
PF5
IRQLO IRQL1 FL0 FL1 FL2 DTO
PF4
IC27
128 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97
PF3 PF4
PF3
IRQ2
PF2
C102 100nF
R79 10K
PF1 PF2
PF1
PF1 PF2 PF3
PF0
PF0
codec
PF0
+5Vdsp
C
B
U1A 7805 (alternate) VinT Out
+5Vdsp
3 R80 10K
GND
1
C100 100nF
2
C99 100nF
VinT Out
+5Vdsp
3 +
C122 4u7
2
2
C98 100nF
0+
1
GND
+7V
1
U1 78L05 +7V
050809 ADDED ALTERNATE DSP FOOTPRINT 14-01-09
181108 IC26 NOW IC126 16-11-08 added alternate U1 device (7805) 19-08-07 changed to dual 1206-0805 footprints
230207 VER 2 UPDATES AFTER PROTO BUILD
A
A
220606 drawn.
Sheet:
DSP section for PICaSTAR
3
Copy by VK3PE, for Master, refer to original schematics on STAR Yahoo site.
of 16
H:\COMBO-SCHEMATIC-PROJECT-121109\COMBO-DSP.SCH 1
2
3
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SCHEMATICS BY VK3PE & C.S. TITLE:DSP BOARD H:\COMBO-SCHEMATIC-PROJECT-121109\COMBO-DSP.SCH "VK3PE" 7
A
Vers 8
1
2
3
4
5
6
PICaSTAR CODEC section
7
8
THESE ARE THE SCHEMATICS FOR COMBO STAR
ORIGINAL SCHEMATIC BY G3XJP
12-11-09
1 14
THIS VERSION BY VK3PE & C.S.
prefix mostly