Band Relay Table ET Relays BPF LPF VCO Nxxxx iodes MV0, V 0m 0m 0m *0m ALT 0m 0m 0m m m m 0m K 0mK K, K K K, 0mK K K K K K K, K K K K K K K, K K K, K K0 K K0 K K, K K, K K K, K K, K, K K, K K K, K, K K, K N000 ZVN Transistors N0 PNA MP J0 N0 C C C 0 meters is available only if the K0XV option is installed. *0m ALT applies if 0 are not installed. NOTE: All relays are singlecoil latching type and are shown in the REET position in schematics. Relay pins and are not connected internally. E B C C B Integrated Circuits E B C E Band Fixed Cap., pf 0m C (0) 0m C (0) 0m CC () ***0m ALT CC () 0m C (0) 0m CC () 0m C (0) m none (0) m C () m C (0) 0m none (0) VCO Table Total Cap., pf* 0 0 0 VCO Freq. at band edge** (subtract) (subtract) 0 (subtract) (subtract) (subtract) (subtract) (subtract) (subtract) 0 (add) (add) 0 (add) * This includes capacitance of varactor diodes on all bands, on 0 0 m, and 0 on 0 and 0 meters (if applicable). Only a portion of the indicated capacitance range is actually used to cover each Amateur band segment. VCO frequency can be calculated based on a total inductance of 0. µh (T in parallel with L0). ** Based on an I.F. of khz (e.g., = 00). 0 khz used as 0meter lower band edge (pending U.. FCC ruling). ***0m ALT applies if 0 are not installed. PLATIC IP (UALLE PACKAE) COUNT P TART AT P AN O COUNTER CLOCKWIE (P IP HOWN) pecial ymbols = On bottom of PC board. VOLTAE REULATOR L0, 0 By W. Burdick E.wartz 0T, XX Jumper K chematic Key Rev. ate ht. 0//0 of
A 0 0 0 /BANK /BANK A R 0 Bargraph Brightness Control Backlight LEs R 0 /NIHT R0 0 0 0 F,E,AN COM A,, COM B,C,P COM F,E,AN A,, B,C,P F,E,AN A,, B,C,P F,E,AN A,, VIMP IIT LC LC river U PCF (0 through connected to ; only 0 and shown) B,C,P F,E,AN A,, B,C,P F,E,AN A,, B,C,P F,E,AN A,, B,C,P F,E,AN COM A,, COM B,C,P COM BAN RECALL BAN TORE IPLAY RF/ALC ANT/ TUNE /BANK MOE A/B A=B VOX REV 0 PLIT # # # /BANK PRE/ATTN AC XFIL POT CW REV AFIL # # # Q Q PNA C.0 RP 0 0 0 LE Array 0 R 0.0V AY (ma/le).v NIHT (ma/le) (based on LE Vf=.V) /BANK /P R /MIC R /BANK 0 0 A CL /YNC 0 CLK V OC A0 A A A0 0 0 IAT V 0 C R R K 0K A V VLC BP0 0 BP BP BP 0 MENU EIT 0 0 NB LEVEL (spare) RATE LOCK #0 RP 00K RIT XIT M PF PF REC # # # 0 Pushbutton witches First switch label corresponds to switch TAP, econd label corresponds to switch HOL. can also be used as a numeric keypad. /ENC R 0 VCC /Q0 /Q /Q /Q /Q /Q /Q /Q / RCK /RCLR RCK VCC /Q0 /Q /Q /Q /Q /Q /Q /Q / RCK /RCLR RCK B V A V Z haft Encoder A H/L CLK H CLK ER QH /QH VCC 0 A B C E F H U HC /P R A R K Keyer peed ccw cw U B 0 C R WRT A R CK R 0 U B C.0 /R R R CK R A To RF Board, P /BANK R K Power Out ccw cw J Mic AF PTT N UP FUNC V P Mic Config. C C C C C RP 0K RP 0K RP Q N0 R.K, % J A 0 0 MIC AF /OTPTT V POT cw ccw /MIC R AUXBU (NC) R R R WRT R CK /R R A R.K RP V POT A 0K R AF ain R.K IAT R K R.F. ain cw ccw R K RIT/XIT Offset /BANK ccw cw N V POT R 00K A These components are supplied with B adapter. K (audio taper) K Front Panel Board By W. Burdick Rev. ate ht. E. wartz C 0//0 of
TX C.00 Freq. Ctr 00kHz0MHz Voltmeter Input P C0 RX R EXT ALC N U NE0 Aux I/O P Input 0K, % K, % /AC OFF C R0 C.0 V R V X.0MHz 0 C 0 P A nc I.F. AUXBU T C C V V RFET Voltmeter ource EXT T P V PWR C RP K MP Voltage ense AC ccw C cw UB Q R RP 0 C 0 0.V (0.V res.) RP V ENE C MP 0.00.0A (.0 A resolution) C.µF.K R 0K C U0A LMC0 ALC I ENE A RP RP K Q0 00 RP.K C R.F. A V R % K C RP 0.00 RP K V FCTR Current ense Note: Current sense resistor is R on the RF board. PNA COUNT R.k, % R R.M Q UA LM To RF Board, J C C 0.000MHz UA LMCA V MTR R K Q 0 PNA A R 0K N C UB.00 R 0K AC THR. RP.K ("" on PCB) R C µf /LOW AC K * C 0. RP.K C 0.µF V AC P R 0 Q PNA V ALC X RP.K NOTE : Jumpers are used at R and R. They must be removed if the Audio Filter option is installed. * Part of CW key shaping * mod; solder on back (see text) C C Not Used R.K A C V V MTR /LOW AC C µf V POT /MUTE /ACC C.0 A /PLLC V Lowropout Reg. C.00 V A A V A A I ENE V ENE /AC OFF A CK U U 0 LM0T V Reg. V RFET IAT /R R 0 M0 R R CK R WRT V POT C 00µF R V 0 C.0 To RF Board, J IAT /R R R R CK R WRT R A AUXBU /OTPTT /AH C.0 V BIAXFIL RP K V ALC V BFO V PWR /ACC Q N0 Q N0 P MCLR RA0 RA RA RA RA RA RE0 RE RE V V OC OC RC0 RC RC RC R0 R 0 R R U C MCU 0 RB RB RB RB RB RB RB RB0 V V 0 R R R R RC RC RC RC R R EXT ALC A A T T RX TX TX 0 R 00 A AUXBU A P P RX C.00 RP K C0.00 /EEC V witching RP.K RP.K VOL VOL P TONEVOL VOL RP K Quad, bit AC B C A REF A UPO V PE /LAC 0 /CLR CLK /C 0 = on bottom of PC board T R U MAX Q N000 Q /ACC Q N000 /C VCC O /WP /HOL CK V I U LC0 EEPROM /PLLC /OTPTT R K /AH To RF Board, J CK 0 RX O 0 C.00 RP K RP K TX RP.K A RP K A A CK O 0 Ω Mute VOL Q J0 AF Amp C RP K A R (NOTE ) C P U LM0N RP K C.00 RP K K AUXBU /MUTE R0.Ω C0.0 C 0µF NC BYPA v RP.0 K µf C 0µF By W. Burdick Rev. E. wartz F U0B U0 V BFO.µF 0 V BIAXFIL RP U0C 0 C 0. VOL J J C0 C RP V R.M C LMC0 C A u d i o F i l t e r K C A C 0. P L mh R 0 IETONE K Control Board ate R 0 Ω Q J0 VOL V //0 RP 0 RP 0 ht. 0 of
B V.0MHz L µh /ACC RP 0K R 00K U LTC N RP 0K MV0 CK O, X X (NOTE ) C00.00 CLK VCC V L /C REF Bit AC (Vout = 0 to.0v) RF 0K RA K RE 0K PLL Reference Oscillator.00.00 MHz R.K Q J0 C 0 C 0 V B RB K Rt 0K Thermistor B C RFC µh R0 0 RC.K C 0. B UA LMC R.K R.M O /PLLC CK, U MC0 PLL ynthesizer B TP 00 µh C.00 (NOTE ) OC V OC PH V REF PH R R R F P V.K.K /ENB L C CLK 0 FV C FR (NOTE ).0 V A RFC µh RFC (NOTE ) B C C0 0µF U L0 (NOTE ) C0.0 B C.0 C 0µF 0 MV0 C.00 C R K UB LMC R 0K K K K C C (NOTE ) 0 R0 0 C 0 C nc nc C µf RFC0 mh R 0K R 0K C 0 V L0.µH MV0 R K B C0 00µF C 0pF VFO Range election Relays are shown in REET position. ee relay table (key). VFO R 00K T.µH C Q N000 C 0. N N B R 00K Q PNA R M R Q J0 C.00 R 0K C R 0K VFO ALC N C 0. R 0 C 0. TX VFO R 0 R0 0 R 00K Buffer U LT C ~Vpp B C RX VFO TP, Thermistor Board (replaces RP on PC board) J Key/Keyer/Paddle R R 0 0 C C.00.00 /AH /OTPTT C o n t r o l B o a r d J R I.F. V AC R.F. A J V A A V A A V RFET IAT R 0 /R R R CK R WRT V POT R V BIAXFIL V R EXT ALC T AUXBU V ALC P 0 0 R T V BFO P J VOL VOL /ACC /OTPTT CK 0 0 VOL /PLLC /AH O V R 0.0Ω, %, W Current ense J V C P Aux. V V ON C.0 0 Q0 F RE00 R R C0.µF C0.µF P F r o n t P a n e l B o a r d 0 0 R R OFF Power B0 J Phones peaker P VOL VOL VOL /OTPTT MIC AF AUXBU R R R WRT R CK /R R V POT IAT A R.F. A NOTE : X is not used. NOTE : 0 are supplied with the K0XV option. They must not be installed unless the K0XV option is also installed (0 m band and transverter I/O). C must be changed to 0 pf if 0 are installed. T C.µF Q N000 K RF Board By W. Burdick Rev. ate E. wartz F //0 ht. of NOTE : These components improve PLL stability; they must be soldered on the back of the board (see text).
RFC 00µH N00 N00 RFC 00µH C R C TX VFO T C R.K R Q0 N000 T BPF C (h. ) C 0. R 0 C 00 C C R 00 Xmit Mixer Attenuator 0dB Buffer C.0 U LT V C.0 R 0 V C 00pF K R R C0 0 U0 NE0 R 00 R R.K R.K C R 0 K W R R 0 R 0 V XFIL In T B 0 R Q N0 RF Preamp db C.K C C RP, RP: 00K A d a p t e r C R0 0K RX VFO V BIAXFIL RP RP RP RP RP J R X X X X0 0 J V C 0.00 C Z TUF Rcv. Mixer RP X R dbm C.0 J0 C. MHz VariableBandwidth Crystal Filter R AUXBU T /OTPTT MIC AF B Control V RFET : V A EXT ALC (NOTE ) V XFIL W XFIL Out NOTE : Remove C when B Adapter is installed. R0 0 T C R.K V C0 C.0 RFC 00µH Q N0 PostMixer Amp. R R.K (NOTE ) R.K N NOTE : 0 and were added to improve handling of extremely 0 strong signals (from nearby transmitters). These diodes must be soldered on the back of the PC board (see text). C AC R.Ω IF Amp C C V ALC R 0. V AC C R 0 C C C R 0.K R C 0 R C 00 R 0 R U MC0 L.uH 00 BFO Buffer/Attenuator N o i s e B l a n k e r I.F. W NB Bypass C MV0 nd Xtal Filter C TP Q N000 Q R PNA X V HI IP V XFIL Q J0 C 0 R0 00K X AUXBU R A C 0. X.MHz BFO J C0.0 R 0 Product et. µh V RP 00K R00 0 V R 00 db, Z= 0Ω C X L V By W. Burdick Rev. E.wartz F C 0. U NE0 C.0 C 0 R0 0 NOTE: If Noise Blanker is installed, R and R0 must be removed, and R replaced with a jumper. R0.K RP 00K V RP 00K K RF Board J ate ht. //0 of Aux. AF P P V BFO RP 00K C
KA KA KA KA KA BPF (h. ) C 00 C 0 0m/0m 0m/m m/m 0/0m C0 C L. pf.µh 0/0m C C C0 0 C 0 C 0pF 0pF /m 0pF C. C µh C C C C 0 00 0 C 00 L.µH 0 C (NOTE ) L0 µh C L.µH 0m/ 0m C L µh C 0/m.pF 0/0m L C 0pF C C BandPass Filters C J 0m L.µH K K L.µH C 0pF L µh L µh 0pF C 00 C 0 ALL RELAY BYPA CAPACITOR ARE.00µF C C 0 C 00 L.µH C, C, C, C0, C0, C, C C C 0 C C 0 KB KB NOTE: When the K0XV (transverter and 0 m) option is installed, C must be removed and J installed in its place, on the top side of the PC board. NOTE: Pins and of relays are not connected internally. However, these pins may be connected to other relay pins or to other components on either side of the PC board. KB KB KB K K K C.00 K K C.00 V X v e r t e r I n t e r f a c e XVTR Bypass VCO Relays Z.0MHz Pre/Attn. Relays R W RFC µh C0 U L0 0 0 C X T N00 R K N00 C0 PRERIVER V AUXBU V (h. ) C0 C 0. C T 0RY RXRY /CLA AB J R RFC 00µH V RY COM N00 PICC or F MCLR RA0 RA RA RA RA RA V OC 0 OC RC0 RC T R U C0 RFC 00µH C0 C0 TR witch RB RB RB RB RB RB RB RB0 0 V V RC RC R.K I/O Controller RC RC RC RC HI IP C0 N00 R 00K R 00 C0.00 C C Q 0 m / R X A n t. R K ZVNA C RFC µh C (h. ) LowPass Filters C C C C C AUXBU C C R C RX Ant. Bypass LPF W BPF Relays C0 LPF Relays K K K K K K K C.00 K0 K K K K J 0 0 RXRY RY COM 0/0m 0/m /m C0.00 KA KA KA C 00 K0A KA 0 V RFET RF C C00 0 C0 C0 C C 00 00 00 L C 0 L C C0 0 0 L C C 0 L RF Output etector C 0 C C L C0 0 By W. Burdick Rev. E. wartz F C 00 N K RF Board ate C C C 0 C C 0 0 C 0 R.K R 00K V 0RY 0m L 0/0m R 0K L L L C.00 L L0 C0 0 //0 C0 J Ant. C.0 ht. KB K0B KB R.K % R Ω % of P Aux. RF KB KB
RFC 0µH V C C µf R C 0. C Z PRERIVER (h. ) R.K R 0 T C C R0 C 0 R.Ω RFC 0µH T :, FT Q N0 C R 0 C µf C0 R 0 R C C 0. RFC 0.µH R0.Ω / W T :, FT Q C river C 0. C 0 R.Ω R R R.Ω C 0 RFC 0µH RFC 0µH Q C C C A T C0 B 0. Q C Z Power Amplifier (PA) LPF (h. ) R 0 /W T ::: NOTE: W T ::: FOR BETTER EFFICIENCY AT W (EE "MOIFICATION" ECTION) R Ω C 0.0 Q0 N000 T T PA Bias Preriver R 0 V BIAXFIL Q R R.K 0 Q PNA PNA C 00µF C.0 R0 00 /CLA AB R 0 R.K By W. Burdick E.wartz K RF Board Rev. ate ht. F //0 of
TR TR BAN PA FILTER TR RIVER POWER AMP (W) LOWPA FILTER AC.MHz ATTEN. AN PREAMP RCV MIXER POT MIXER AMP NOIE BLANKER TR CRYTAL FILTER TR I.F. AMP BUFFER XMIT MIXER BAL. MO. PRO. ETECTOR PLL YNTH. VCO MHz MCU AN UPPORT CIRCUIT BFO.MHz AUIO FILTER, AF AMP haft Encoder KEY Common Transmit Receive IPLAY AN CONTROL Appendix C BLOCK IARAM W. Burdick/E. wartz Rev. 0