BLITZ MJ
-3
98U
1
BLITZ
MJ
FM TRANSCEIVERS
Instruction Manual
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Page 1: ...BLITZ MJ 398U 1 BLITZ MJ 398U FM TRANSCEIVERS Instruction Manual All manuals and user guides at all guides com a l l g u i d e s c o m...
Page 2: ...djust 2 20mV Antenna impedance 50 TRANSMITTER Frequency Stability 5ppm Output Power 5W Max Frequency Deviation 5KHz Audio Distortion 10 Adjacent Channel Power 65dB Occupied Bandwidth 16KHz RECEIVER RF...
Page 3: ...iver is shown in Fig 2 1 Front end RF amplifier An incoming signal from the antenna is applied to an RF amplifier T201 after passing through a transmit receive switch circuit D101 D102 D103 and a 3 po...
Page 4: ...eset value To output sounds from the speaker U811 sends a high signal to the AF Power Iines and turns U481 on through T471 T472 6 Receive signaling QT DQT The output signal from FM IC U200 enters the...
Page 5: ...OS FET stages The output of the RF power amplifier is then passed through the harmonic filter LPF and antenna switch D101 D102 and applied to the antenna terminal 5 Power supply There are four 5V powe...
Page 6: ...trol program for the CPU and data such as Transceiver channels and operation features 2 Low Battery Warning The battery voltage is checked using by the microprocessor 1 The red LED blinks when the bat...
Page 7: ...e frequency Audio frequency 4 Audio dummy load Impedance 8 ohm Dissipation 1W or more Jack 3 5mm 5 SSG Output frequency 200MHz or more Output level 20dBu 0 1uV 120dBu 1V Modulation FM 6 Spectrum Analy...
Page 8: ...100 11 Frequency counter Measurable frequency Up to 200MHz Measurable stability Approx 0 1ppm 12 Linear detector Measurable frequency Up to 200MHz Characteristics Flat CN 60dB or more Note Standard mo...
Page 9: ...470P 2P 470P 4P 1P 1P 5P 1 5P 3P 1P 1 5P 103P 470P 470P 100P 102P 102P 103P 104P 103P 470P 104P 470P 104P 470P C200 C201 C202 C203 C204 C205 C206 C207 C208 C210 C211 C212 C213 C214 C216 C217 C218 C21...
Page 10: ...P 0 5P 102P 103P 470P 102P 100P 8P 39P 15P 5P 0 5P 103P 470P 470P 102P 6P 22P 102P 7P 102P 470P C392 C400 C401 C412 C413 C417 C418 C419 C420 C421 C422 C423 C424 C435 C441 C442 C443 C444 C445 C446 C447...
Page 11: ...6 8MHz 32 768KHz HSC277 HVU131 HSC277 HSC277 HSC277 HVC350B HVC350B HVC350B PMSD4148 HVC350 D332 D337 D350 D351 D361 D416 D417 D493 D813 D814 D901 E126 E173 E232 E248 E281 E301 E302 E319 E320 E321 E32...
Page 12: ...6 8uH 6 8uH 6 8nH 6 8uH 6 8uH 8 2nH 101T 100nH 82nH 101T 101T 301T 101T 0 100nH MIC 1K 1K 47K 47K 1K 3K3 47K 680 22 R104 R105 R106 R107 R111 R113 R114 R115 R123 R125 R126 R128 R133 R139 R143 R147 R16...
Page 13: ...7 220K 1K 10K 2K2 22K 22K 22K 33K 150 4K7 1K 0 560 560 6K8 0 2K2 22K 100K 10K 150 100K 1K 15K 100K 10K 270 R361 R370 R371 R372 R373 R374 R375 R376 R377 R391 R392 R400 R401 R402 R403 R404 R413 R414 R41...
Page 14: ...10K 50K 100K SP401 SW400 SW401 SW402 SW811 SW812 T101 T102 T105 T107 T161 T171 T191 T192 T201 T202 T203 T204 T291 T331 T343 T344 T357 T361 T372 T373 T391 T414 T441 T451 T471 T472 T813 T814 T815 T822 T...
Page 15: ...D717 D718 R710 R711 R712 R713 R714 T713 100P 100P 100P 100P 100P 100P 100P PMSD4118 PMSD4118 510 510 510 510 510 DTC114EE C720 C724 C725 E720 L720 L721 R720 R721 R722 R723 R724 R725 T720 T721 104P 103...
Page 16: ...All manuals and user guides at all guides com a l l g u i d e s c o m...
Page 17: ...All manuals and user guides at all guides com...
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Page 19: ...1SS 372 MRF497 DC Regulator 5A 5M DCS Balence Circuit P LLOSC Addjust er 5C TX Path RX Path 1 2 5T 5M DTC114EE 2SB624 X 2 L208 L211 L214 L204 L230 AF RXD PTT TXD RED LPF BATTERY BATT Test PLL LD PLL D...
Page 20: ...R 5C R421 22K R417 1K R418 18K R422 1K5 R420 750K C412 104P C413 470P C424 100P C418 273P C417 104P T414 MRF497 2 3 1 8 4 U411A LM4558 7 6 5 U411B LM4558 C419 222P C420 223P C421 102P C423 104P C422 2...
