i 1 40

ii Grid Dip Meter 3 10kc 1000Mc Grid Dip Meter (RF) Q Grid Dip Meter Grid Dip Meter GDM Grid Dip Meter

i ii 1. Grid Dip Meter 1 1.1................... 1 1.2............... 2 1.3............... 5 1.4......... 5 1.5..... 8 1.6....................... 9 2. Dio-probe 11 2.1......................... 11 2.2..................... 12 2.3................... 13 2.4. (Tuned Dip Probe)............. 14 3. 17 3.1....................... 17 3.2........................... 18 3.3.................................. 19 3.4................................ 20 3.5...................... 23 3.6................... 24 3.7..................... 25 3.8..................... 25 iii

iv 3.9......................... 26 3.10. RF.................... 26 3.11..................... 27 3.12.................... 28 3.1........................... 29 3.14. HOT TEST........... 30 3.15. Q........................... 32 4. C 34 4.1............................... 34 4.2....................... 34 4.3.......................... 35 4.4.......................... 38 4.5.......................... 40 4.6............... 41 4.7. Q......................... 42 4.8............ 42 5. 44 5.1......................... 44 5.2....................... 45 5.3..... 46 5.4............. 47 5.5. RFC................. 48 5.6........................... 48 5.7......................... 49 5.8......................... 50 5.9. Q............................ 51 5.10.... 51 6. 53 6.1.................. 53 6.2......... 55

v 6.3................... 58 6.4..... 59 6.5. BFO......... 59 6.6. AVC........ 60 6.7. TV FM................. 61 6.8.... 61 6.9. TV....................... 61 6.10. TV 61 6.11. TV...................... 62 6.12......................... 62 6.13. TV................ 62 6.14........... 62 7. 66 8. 67 8.1....................... 67 8.2......................... 68 8.3...................... 69 8.4............ 71 8.5....................... 72 8.6. SWR.......... 72 8.7. SWR... 73 8.8. RF............................... 74 9. GridDipMeter 76 9.1. Q.................................. 76 9.2.............. 80 9.3......... 82 9.4.............................. 83 9.5. FB.................... 84 9.6............. 84

vi 10. GridDipMeter 86 10.1. DELICA HAM........ 86 10.2. DELICA HAM 310....... 89 10.3. DELICA HAM BAND only Dip Meter................. 91 10.4. DELICA X-BSL... 93 10.5. DELICA X-VHS GDM Frequency Meter.............. 93 10.6. DELICA SP-7 NHK..... 93 10.7. DELICA SP-3............ 93 10.8. DELICA SP-1............ 93 10.9. DELICA SP-2............ 93 10.10. MILLEN No.90651.......... 93 10.12. Heathkit mode1 GD-1B....... 93 10.13. EICO model 710........... 93 10.14. DELICA Tuned Dip Probe..... 93 10.16. BT-1............ 93 10.17. DEHCA L C........................ 93 10.18. DELICA CM-601.................... 98 10.19. DELICA 700............ 98 10.20. DELICA WB-200 FET GATE Trans dipper.... 98

1 1. Grid Dip Meter (dip) Grid Dip Meter 1.1. 1.1

2 L 1 L 2 1 L 1 L 2 (V) C 1 (G) + C 3 R L 1 L 2 L x L 1 L 2 Cx L x L 1 L 2 C 1 C 2 R M DC P V C 3 G B+ B 1.1 L 1 L 2 L x L 1 L 2 L x L x Wave trap 1.2.

3 L C 1 100P C 3 C 2 6C4 100P R 4 R 3 T 30K R 1 10K 0.01 C 4 R 2 50K C 5 C 6 S 1 170V 0.002 1M ON 100V AC 6.3V J R 5 C 7 R 6 600Ω NE S 3 S 2 1.2 1.1 1.2 10kc 30Mc 400kc 200Mc 300Mc 2 1. 2 2. C 2 C 3 B B 2 1.2 R 2

4 6C4 6AF4A 6AK5 3 R 4 C 5, C 6 (Plug-in Coil)L 12pF 215pF 5 (A) 65 215Mc 0.04µH (B) 21 85Mc 0.26µH (C) 5.6 22Mc 3.75µH (D) 1.5 6.3Mc 52.5µH (E) 400 1,500kc 715µH (J) S 1 OFF S 1 OFF R 2 S 3 ON R 6 B B C 7 600Ω R 6 C 7 B (Fire) 1,000c/s 600Ω R 2 R 2

5 1.3 A 1.3 B 1.3 C 1.3. 1.3 A B C 1.4. AC 1. A B 2 B 2.

6 L S OFF 100P ON B 9V 2N247 15P C 2 10P C 1 R 1 30K R 2 D C 4 3300Ω R 5 M 250K R 3 270Ω R 4 2500Ω C 3 0.1 0 50µA 1.4 1N34A Transdipper 1.4 RCA 2N247 LC RF D (DC) L, C 1 RF R 5 R 4 R 1 R 2 10 100pF C 1 DC

7 A C x 1N34 2SA125 10P 4.7K 3.3K R x 0.01 3.3K L x 500K VR 100mA + 9K 0.01 OC70 1.3V 9.1V (µh) B 1.5 (Mc) 600 0.65 2 100 1.6 5 13 4.4 14 1.5 13 40 DELICA TRANSDIPPER RCA 1.5 A B LC (1N34) 1

8 (A) (B) 1.6 1.5. 1.6 A B ±0.1% 1.7

9 Q JAIVZ 1.8 Q IF 455kc IF loose coupling Q DX 1.8 1.6. DC (High impedance) Q DC 1.7 1.7 200Ω 1MΩ R

10 B+100 150V

11 2. Dio-probe Dip-Probe) Signal Generator 2.1. 2.1 (aperiodic) (L) (D) DC (R) R L CACH µa + DC 2.1 L D

12 RF (L) L 3 100kc 300Mc RF INPUT J 250Ω 2.2. 2.2 A R L D + M 1N34A CATH 0.003 C 0 50µA 2.2 A L R M D 0.003 B 60 54 43 36 (J)

13 2.2 B 2.3 2.3 3 18 A 100kc 7Mc 145 No.32 B 5 40Mc l7 No.22 C 35 300Mc 3 No.22 2.3. 2.2 0 1mA 1 2.4 (D) 1 0 1mA

14 2N107 1.5V 2 (D) 50µA 0 1mA 1.5V 1 ZERO ADJ DC RF INPUT J R 250Ω L D 1N34A 0.003 CATH 2N107 M + ZERO-ADJ DC 0 1mA B 1 B 1.5V 2 1.5V + 2.4 1 2.4. (Tuned Dip Probe)

15 2.5 2.5 2.6 10 50Ω L L C 1 M 0.0005 2.6 L (1) LC LC (2) 3 (4) C 2

16

17 3. B OFF 3.1. (GDM) (1) on (2) on 10 (3) GDM (4) GDM GDM (5) GDM

18 (6) (7) GDM (8) (9) (loose) (tight) (10) OFF OFF B OFF 3.2. 3.1 L C 3.1 (A)

19 L C L C C L (A) C (B) L 3.1 (C) 2 (C) 3.3. 3.1 3.2 (A) RF 2 1 2 (B) GDM (C)

20 C L C L L C (A) (B) (C) 3.2 GDM (A) Q (C) 1 2 1 2pF 3.4. 95%

VFO 3.37 4MC (Buffer) 3.5 14MC 3.5 28Mc 3.5 28Mc 3.3 1 L C L IFT C 21 3.3 1 100Mc (IF) C 3.4 L L L C L C C 3.4 L C 1 2

22 1 2 IF 465kc 455kc 3.5 IF 2pF C 2 2pF C 1 2 3.6 L 1 L 2 1 2~5p IFT 3.5 2 5pF C M { L 1 {L2 M L2 L 1 Β+ 2 L 1 3.6 1 L 2 2 RF 2 L 1 3.7 L 2

L 2 L 1 L 2 M L 2 L 1 L 1 L 2 3.7 (Inter-stage Coupling) L 1 L 2 L 2 L 1 1 L L L 1 3.8 VHF 3.5. transmission line 23 1 3.8 (spurious responces) 3.9 (A) (B) UHF

24 (A) (B) (C) (D) 3.9 (C) (D) Q Q (current loop) (voltage loop) LC 3.6. 3.1 3.2 LC L C (GDM)

(1) GDM (2) 3.1 3.2 A (3) GDM 3.2 C 3.7. 3.2 C (GDM) C 3.8. µ L (1) GDM 3.1 3.2 A 3.2 C (2) (3) GDM 25

26 (4) (5) GDM (6) (7) 3.9. 3.1 A 3.10. RF RF RF LC RF 3.10 RF

27 RF (A) (B) 3.10 RF 3 2 A 1 2 Q 3.11. RF IF (GDM) (1) (2) (3) GDM 3.10 A (4)GDM

28 (C) (A) (B) 3.11 GDM 3.11 3.2 C 3.12. L C UHF VHF (linear circuit) (parallel line tank) 3.12 (A) 3.12 2 (B)

3.12 3.12 (A) (B) off 1/4 1/4 3.1. UHF VHF (coaxial line) (distributed constant resonant circuit) (can) (A) B 3.13 3.13 A 29

30 B Q GDM (1) 3.13 A (2)GDM (3) 1/4 1/4 (1) 3.13 B (2)GDM (3) 1/8 1/8 3.14. HOT TEST (i) AM HAM B+ OFF B+ OFF B (GDM)

(1) GDM B+ OFF B+ (2) 2000 4000Ω 1000Ω (3) GDM (4) (5) (6) GDM (ii) (1) GDM (2) GDM (3) (4) (iii) (GDM) 31

32 (1) GDM (2) 2000 4000Ω 1000Ω (3) GDM 1m (4) (ZERO-BEAT) 2 2 f 1 f 2 2 3 4 3 4 5 6 2 DELICA 3.15. Q Q Q Q

33 Q 9 Q

34 4. C C L RF C 4.1. 4.1 100µH C Q C 100µH Q 4.2. 4.1 100µH 10µH 1000µH Q 4.2 C x 100µH±0.5% 100µH 4.2 C x

100µH C (GDM) (1) 2 (2) GDM (3) (f) (4) 1) C = 25, 400 f 2 L C µµf pf L µh 35 (4 1) C 100µH 1.5Mc C (4 1) C = 25, 400 25, 400 25, 400 1.5 2 = = (100) 2.25(100) 225 = 112.889pF 4.3 4.4 10µH 100µH C 100pF 0.1µF pf 4.3. (C d ) C d Q (4 2) 1) f = 1 2π LC C = 1 4π 2 L 1 10 12 F) C = 25, 330 f 2 L 4π 2 = 0.025330 L µh(= 10 6 H) C µµf=pf(=

36 0.01µF 5K 10H 3K 2K 1000 1H 0.1µF 1K 500 1µF 300 0.1H 200 100 10mH 100 Ω 50 10µF 1mH 30 20 10 100µF 10 1000µF 5 0.1mH 3 2 1 10 10 20 30 50 70 100 100 200 500 1000 1000 2000 5000 c/s 4.3 4 2 (4 1) 100µH 1

37 Mc 50 30 20 10 100µF 10µF pf 0.1 0.2 0.3 0.5 0.7 1 2 3 5 7 10 20 30 50 70 100 200 300 100 5 3 2 1 700 500 100µF 10µF 300 200 100 200 300 500 700 0.001 0.002 0.003 0.005 0.01 0.02 0.03 0.05 0.1 0.2 0.3 pf µf 4.4 10µH 100µH 4.5 (f) (L) C d C d = 25, 400 f 2 L C d µµf L µh 100µH 8Mc C d = 25, 400 25, 400 8 2 = (100) 64(100) = 3.968pF (4 2) C d C

C x C d 100µH38 C C d L 4.5 4.6 400pF 400pF GDM GDM 2 100pF 100pF 2 100pF 96pF C 1 2 C 2 C d C d = 400 4 96 3 C d = C 2 C 1 3 = 400 384 3 = 5.33pF (4 3) 5.33pF 4.7 4.4. 50pF 100µH 200pF 200pF 4 8

39.C 1.400.C. 0.C 2. 10.350.100. 20. 30.300. 50. 40.250. 50. 0. 60.200. 70. 80.150. 90..100.100 C 1 2 C 2 C. 4.7

40 L L C d C s C s C x 4.8 4.9 2 C C 200pF C 215pF C 215 200 = 15pF 4.5. 4.9 C s pf L C s (GDM) C s C s C s (1)

41 C s C C 1 (2) GDM (3) C x GDM C 2 (4) (C x ) C x = C 1 C 2 (4 ) 400pF C x 381pF C x 400 381 = 19pF C x 4.6. (C)

42 4.7. Q Q C Q Q Q Q C 4.8. 2 2 50pF 5µF

43 4.9 10pF 1pF

44 5. RF IF 5.1 2 (mutual inductance) 3 4 5.1. 5.1 2 5.2 RF IF L C s L C s 100pF ± 0.1% (A) (B) Lx (C) 5.2

Q 5.2. Q 1% 4 0.0001 0.001 0.01µF (GDM) (1) (2) GDM 5.2 (3) (f) GDM (4) (f) C s C (L) L = 25, 400 f 2 C 45 (5.1) L µh f Mc C pf 0.0001µF(100pF) GDM 2Mc L = 25, 400 25, 400 25, 400 2 2 = = (100) 4(100) 400 = 63.5(µH) 5.3

46 0.01 0.02 0.05 0.1 0.2 0.3 0.5 1 2 3 5 10 90 50 30 20 400pF Mc Kc 10 5 3 2 1 100pF 500 300 200 400pF 100pF 20 30 50 100 200 300 500 1 2 3 5 10 µh mh 5.3 100pF 400pF 20 30 5.3. 1 1/2 5.4 1µH L 100µH 1% L L

3.4 3.5 3.3 5.4. (Sync Stabillzer) (Width Control Coil) L L 47 Cs 5.4 L (GDM) (1) GDM 5.2 5.4 (2) (5 2) L f = 25, 400 LC f (Mc) L (µh) C (µµf) (5 2) L L 10µH 100pF (5 2) f = 25, 400 10(100) = 25, 400 1000 = 25.4 5(Mc)

48 (3) GDM 5.5. RFC 5.2 5.3 3.4 3.10 5.6. 5.2 (GDM) (C d L Cs 5.5 (C) L 5 1 5.5 (1)

(2) 50pF C 2 (3) GDM f (4) GDM (5) (C 1 ) (C d ) C d = C 1 4C 2 3 C 1 C 2 C d pf 49 (5 3) 50pF GDM 3Mc GDM 1/2 f 1.5Mc 215pF (5 3) C d = 215 4(50) 3 4.3 4.3 5.7. = 215 200 3 1 2 C s (A) = 15 3 = 5pF 3 4 1 2 3 4 (B) C s 5.6 (GDM) 2

50 (M) 2 5.6 (1) 2 1 2 (A) 2 (2) GDM (3) (5 1) (C) (f) L 1 (4) B 2 (5) GDM (6) L 2 (7) M = L 1 L 2 4 (5 4) 5.8. 2 (Coefficient Coupring) (K) (GDM) 5.7 (C) (1) 5.7 (M) M (2) (C) A A B A B C s A B A B C s 5.7 (3) GDM A (4) 5 1C L 1 (5) B B A

51 (6) GDM (7) 5 1C (f) L 2 (8) K = M L1 L 2 (5 5) 5.9. Q Q Q Q Q Q Q 9 5.10. 0.0001 0.001 0.01µF 0.001µF 10Mc 0.25µH 100kc 2.5mH 0.01µF 10Mc 0.02µH 100kc 0.25mH Q

52 JAIFNX AM SSB 5.8 AM SSB SSB AM SSB 5.8 10 ON SSB

53 TV 6. DELICA HAM 6.1. (cold test) (GDM) RF IF

54 (i) (1)GDM 455kc (2)GDM 2 (3) 2 GDM (4) 1 (5) (ii) (1) (2)GDM 1 GDM (3) 1 GDM (4) (5) (iii) RF (1)GDM RF (2)RF 1 (3)RF L RF (iv) (1)GDM (f) f + f IF 455kc 1500kc 1955kc (2)GDM 1955kc (3) 600kc 600 + 455 = 1055kc

GDM (4) 1000kc 1455kc L L 1455kc 3 455kc IF 6.2. B+ DELICA HAM 400 1000c/s (DC) IF 55

56 A E DC-VTVM 6.1 1 RF 6.1 DELICA HAM (Modulation) 6.1 A E 1 2 A RF 1 ANT RF IF IFT 1 IFT 2 E AVC 6.2

57 6.2 (GDM) 50cm 1m (1) 1 (IFT 1 ) GDM 455kc (2) (3) IFT 2 GDM IFT 2 2 GDM GDM (4) IFT 1 2 GDM GDM (5) GDM 1500kc 600kc GDM 600kc (6) (5) 1500kc 600kc 1000kc GDM 1000kc (7) 3 (8) RF 1 1500kc GDM

58 1500kc RF 2 600kc 3 (9) 2 1500kc 600kc 3 (10) GDM GDM GDM B GDM GDM 6.3. (GDM) (1) GDM (2) GDM (3) GDM GDM ON (4) GDM GDM (5) GDM (6) =

6.4. (GDM) GDM 6.3 A B GDM (A) GDM 2 3 (Pick up coi1) GDM (B) (A) 25~100p 2 3 59 6.3 (B) GDM GDM 6.5. BFO (Beat) Beat Frequency Oscillator BFO 2 (GDM) 2 2 GDM GDM 2 GDM IF 2 GDM

60 6.6. AVC Automatic-Volume-Contro1 AVC (GDM) 2 3 GDM GDM 1000kc GDM 2 AVC VTVM 1) 0 15V 6.4 GDM AVC AVC A E AVC VTVM 1) Vacuume-Tube VoltMeter 6.4 AVC VTVM

6.7. TV FM 6.8. DELICA HAM (GDM) 2 GDM 2 OK GDM GDM RF GDM 6.1 6.9. TV 6.10. TV 61

62 6.11. TV 6.12. 6.13. TV 6.14. (GDM) 455kc Β+ IF AF 400 c / s 1000 c / s 1 0.5V AF 6.6

1 400c/s 1000c/s 0.5V GDM GDM 6.6 GDM GDM B+ 6.6 GDM 2 GDM DELICA HAM GDM 6.7 GDM B+ 120 150V 1 2MΩ 1/4W B 0.02µF 600Ω1/4W 600Ω 600Ω B+ 1 on off J M 0.02 1 2MΩ Β+ 600Ω NE 63 6.7 1MΩ R 0.02µF 600Ω 3 GDM GDM

64 Tr T 1 R 1 C 1 C T 1 B E R 1 1K 6.8 A C 1 0.01 6.8 B GDM 6.8 A B IF 1) 1) 36 24mm 35

65 + GDM + % C 1 100 1,000c/s GDM GDM

66 7.

67 8. 1 0.1% 8.1. 8.1 1 (GDM) 8.1 (1) GDM (2) GDM 8.2 GDM

68 GDM 8 2 (A) (B) A) (B) 8.2 8.2. 3 1 (open wire) 2 (flat ribbon) 3 (coaxial) (GDM) 8.3 (1) GDM 8.3 (2) GDM L 8.3

(3) 1/4 8.3. (characteristic impedance) 2 1 (1) GDM 8.3 (2) 8.2 (3) (output end) GDM (4) (5) 2 pf 1 (1) 8.4 (A) L C C C (2) GDM L (3) GDM (4) C GDM (5) 8.4 B GDM (6) C 69

70 L C R L 1 C 4 8.4 2 (7) C i 2 (8) GDM (9) GDM L (R) 8.4 (C) (10) GDM (11) (R i ) (12) (Z) (C i )

(R i ) ( ) 2 1 z = Ri 2 + (8 1) 6.28fC i R Z Ω, f Mc, C µf 1/4 (L) 8.4 (D) 8.4. (radiation pattern) 8.5 60cm 1m (GDM) (A) (B) 8.5 (1) GDM B+ OFF B+ (2) GDM 71

72 (3) 8.5. (1) GDM (2) GDM 1 2 (3) (4) (5) GDM (6) GDM 8.6. SWR 2 (standing wave) (GDM) B+ OFF 2 B+ (1) GDM 2 (2) (3) GDM (4) GDM 1/4

(current loop, voltage node) (voltage loop current node 8.6 (A) (B) 8.6 8.7. SWR standing wave ratio(swr) SWR SWR RF SWR 200µA 8.7 SWR SWR 8.7 SWR RF SWR 73

74 (GDM) GDM GDM RF SWR SWR GDM SWR SWR DELICA SWR-Meter Amateur Radio Handbook 8.8. RF RF SWR Ω RF (GDM) 1 8.8 GDM 4 4 75Ω RF-AMP RF RF (A) 8.8 (B)

75 GDM DELICA Amateur Radio Handbook

76 9. GridDipMeter 9.1. Q Q Q Q 2 Q Q Q Q Q Q Q RF Q L C 9.1 Q VTVM Q (GDM) Q 1 9.1 L

C (1) GDM L 15 20cm GDM (2) 0 1.5V (3) GDM GDM 1V E (4) GDM f r f r LC (5) GDM LC GDM E 0.707E 1) f 2 (6) GDM f r E 0.707E f 1 Q Q = f r f 2 f 1 (9.1), f 1, f 2 f r kc Mc LC f r 2Mc 1V GDM 0.707V 2.025Mc 1.975Mc 0.707V (9.1) Q = 2 2.025 1.975 = 2 0.05 = 40 Q f 1 f 2 f r Q 3 1) 2 2 E 77

78 V s 50 ΔC 30 100 C pf 0pF 200 30 300 +ΔC L x D VTVM V s RF L x Q 9.2 Q GDM Q Q Q L Q C Q 10 Q L Q Q 2 pf 9.2 C 1pF (1) L Q C 9.2 (2) 0 1.5V (3) (4) C r

79 (5) GDM L (6) GDM 1V GDM E 1V (7) GDM C r E 0.707 E 1V 0.707V C r C 1 (8) E 0.707 C r C 2 (9) 3 Q Q = C r C 1 C 2 (9.2), C 1, C 2 C r pf C r 300pF 1V 1.5pF 0.707V C 1 300 + 1.5 = 301.5pF 1.5pF 0.707V C 2 300 1.5 = 298.5pF Q (9.2) Q = 300 301.5 298.5 = 300 3 = 100 Q 9 1 9.3 Q Q 9.2 Q (M) 1V 0.707V RF GDM L x V s GDM 10cm L x V s 200pF GDM

80 ΔC 0 ± 30pF 0~400pF C x L x 0.01 0.01 12AT7 M 20K 20K 20K ZERO ADJ. 10K 8μ 50K 12F 250Ω 250Ω 150V 6.3V AC 100V 50~60c/s D Q JA1AD 9.3 L x 1V 0.7V M Q 1V GDM + 0.7V + C 0.7V C + C C 2pF Q Q = 2C ( C) + (+ C) 2C 2 400pF ( C) + (+ C) 4pF Q 100 GDM 200 400Mc Q 9.3 GDM RF JAlAD FB 1) 9.2. DELICA 5Mc 1Mc 100kc 100kc 10kc VFO 1) Fine Business

81 G 9.4 (A) 0.1% ±1% (GDM) (1) 1 2 GDM 9.4 (A) (2) 100kc 1000kc 10kc 25kc 9.4 (B)

82 GDM 1 9.4 (B) (3) GDM (4) GDM (5) GDM B+ (6) GDM (7) 9.3. (B) (A) 9.5

9.5 (A) L C (M) RF (GDM) 1 GDM 2 3 GDM 4 GDM 5 GDM GDM 220Mc 220Mc 210Mc 200Mc GDM 9.4. (GDM) (1) 9.6 83 9.6 (2) GDM

84 (3) GDM GDM DELICA GDM Q GDM 9.5. FB 2 9.7 3.5Mc 3.5Mc 9.7 9.6. 9.8 L C C R X C L

85 C L X R R C X X = ω 2C 1 ω 1 : 2πf 1 ω 2 : 2πf 2 f 1 :f 2 : ( ) 1 ω2 1 1 ω2 2 X = 1 ω 1 L C 1 f 2 1 f 2 2 C X R 9.8 C L C X X L X C LC R X JAIFG

86 10. GridDipMeter GDM L C 10.1. DELICA HAM A 70-205Mc B 21-86Mc C 5.5 22.5Mc 10.1 10.2 5 400kc 200Mc D 1.5 6.2Mc E 400-1550kc 10.1 HAM 0.1%6C4 9002 6AK5 3 6H6 B+ MOD 400c/s B+ OFF GDM

87 12~430p 500p 50p HF 30k 1mA DC PHONE 600Ω 0.002 HF 10k 0.001 50k VR NE ON OFF MOD 2M 500Ω 100Ω 10µ 300V 10µ 300V AC 100V 10.2 HAM :250 105 90 :1.5kg :100V AC 25 1 A 200Mc 144Mc 10.3 AB 4 6 (A) (B) (A) 144Mc (B) 144Mc 10.3 10.4

88 L L C 10 C 10 2 3 144Mc C (A) (B) 10.4 144Mc LC AB 20pF 10 2 3 1 1.5 GDM 70 200Mc GDM 144MC C GDM L GDM 15 200 144Mc 144Mc 150 50Mc GDM GDM GDM B+ON OFF MOD B+ 0

1 B+ OFF 2 B+ ON B+ 1 3 B+ B+ GDM 4 MOD GDM GDM GDM B+ GDM GDM 5 B+ ON GDM MOD 10.2. DELICA HAM 310 A 110-310Mc B 45-125Mc C 20 53Mc D 9 22Mc E 3.6-9.3Mc F 1.45 4Mc 10.5 10.6 HAM 310 GDM 310 GDM 310Mc 350 89

90 10.5 HAM 310 100p 30k PHONE 0.001 600Ω 0.002 0.001 NE OFF 2M 50kVR 10k 0.001 ON 500Ω MOD PHONE 10µ 300V 100Ω 150V 6.3V 100V 10.6 HAM 310 AC 100V 1. 1.45Mc 310Mc 6

2. ±0.1% 310Mc 1Mc 1 3 CW 10.1 4. :170 80 90 :1.45kg:100V AC. 25 5. 1.45Mc 310Mc 10.3. DELICA HAM BAND only Dip Meter A 52 150Mc B 20 58Mc C 8.3 24Mc D 3.1 8.8Mc E 1.3 3.5Mc 10.7 10.8 HAM HAM 4 HAM 3.5Mc 7Mc 14Mc 21Mc 28Mc 50Mc 144Mc 91 10.7

92 12~180p 350p 6AK5 30k PHONE 600Ω NE OFF 0.002 2M 50kVR HF 10k 0.001 ON MOD 500Ω 10µ 150V 100Ω OFF 10.8 HAM BAND only Dip Meter 6.3V 100V AC 100V 1. 70 70 170 1.15kg 100V AC 20 2. 10 75 3. 3.2Mc 150Mc 4 4 HAM A 144Mc B 21Mc 28Mc 50Mc C 14Mc 21Mc D 3.5Mc 7Mc 4. 10.1 5. 2 250Mc 1

10.4. DELICA X-BSL 93 10.5. DELICA X-VHS GDM Frequency Meter 10.6. DELICA SP-7 NHK 10.7. DELICA SP-3 10.8. DELICA SP-1 10.9. DELICA SP-2 10.10. MILLEN No.90651 10.12. Heathkit mode1 GD-1B 10.13. EICO model 710 10.14. DELICA Tuned Dip Probe 10.16. BT-1 10.17. DEHCA L C L C 2 L, C 10.35 10.35 L, C

94 10.36 V 1 L C C L L C 0.00025 50k 10k 250Ω 250Ω V 1 0.1 Β+ M 15k Β+ C 15k VR 50k 50k L s L C 11 C 12 100µH 10.36 L, C L x C x 0.1µF 10.36 VR 10.36 L s C s L C

95 Q RF L s C s V 1 M L s C s dip up L s C s L, C L, C V 1 L C L, C C C s1 C s2 C s1 1pF 2pF 450pF C s2 0.1pF 3 5pF 50k 50p 6J7 0.1 15k 250Ω C 100μH 250Ω 10k L 450 ~45p A ΔC ± 4pF 15k 500μA METER E 10μ VR 50k 5V 50k 100V F E D C B A P.L. 90V AC 100V 200V 6.3V 10.37 L, C

96 C s1 C s2 450pF 0.1pF L s 100µH Q 10.37 L, C 1 3.16µH 3.16 10µH 2 0.1 1 10 100 1000 0.1 10000µH L, C L L = 25, 400 f 2 C f C L µh L x 1 100pF L 0.5% L L L 0.1 10000µH L 95kc L L, C

L C L L L (C s ) L x C L 450pF C C C s1 450pF C C x C s1 C C C = 25, 400 f 2 L (Mc) µh pf L 100µH L, C f C 1µH 10µH L C L C L L C C C s1 C L L x C s1 400pF 400pF 100pF 2 100pF 100pF 96pF (100pF 96pF) 4 3 = 5.33pF 4 97

98 1000Ω L RF 6 A 9Mc 31Mc 200kc B 4Mc 13Mc 100kc C 1.4Mc 4.6Mc 50kc D 500kc 1650kc 10kc E 180kc 550kc l0kc F 95kc 260kc 5kc l0.35 L C ±6pF L C 10.18. DELICA CM-601 10.19. DELICA 700 10.20. DELICA WB-200 FET GATE Trans dipper

99 CQ 1965 10 9 PDF LATEX 2ε dvipdfmx http://www.cam.hi-ho.ne.jp/munehiro/ http://fomalhaut.web.infoseek.co.jp/radio/radio-circuit.html