Crown Low Power Transmitters - Crown Broadcast

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RF Output Amplifier RF OUTPUT AMPLIFIER 6 - 22
Illustration 6-14 RF Output Filter Reference Drawings 6 - 23
Page 1 and 2:
® FM30/FM100/FM250 Broadcast Trans
Page 3 and 4:
Contents Section 1—Getting Acquai
Page 5 and 6:
Section 5—Adjustments and Tests .
Page 7 and 8:
I INFORMATION Section 1—Getting A
Page 9 and 10:
1.2 Applications and Options Crown
Page 11 and 12:
1.2.5 Translator A receiver configu
Page 13 and 14:
1.3 Transmitter/Exciter Specificati
Page 15 and 16:
Note: We set voltage and ampere req
Page 17 and 18:
® Section 2—Installation This se
Page 19 and 20:
120Vac Illustration 2-1 Removing th
Page 21 and 22:
2.2.3 Battery Power Your transmitte
Page 23 and 24:
2.3.1 Modulation Compensator The Mo
Page 25 and 26:
Frequency SW1 SW2 87.9 0 0 88.0 8 0
Page 27 and 28:
2.6 Audio Input Connections Attach
Page 29 and 30:
SCA IN COMPOSITE IN MONITOR RIGHT L
Page 31 and 32:
Pin Number Function 1 Ground 2 (no
Page 33 and 34:
Section 3—Operation This section
Page 35 and 36:
3. Verify the following: a. The bot
Page 37 and 38: 3.3 Front Panel Bar-Dot Displays Ba
Page 39 and 40: 3.7 RF Output Control Set this cont
Page 41 and 42: in questo mondo, erono due forse, u
Page 43 and 44: 4.2 Audio Processor Circuit Board T
Page 45 and 46: Stereo Generator Board ® FM250 Ill
Page 47 and 48: Principles of Operation 4-7
Page 49 and 50: To get a direct reading of SWR, the
Page 51 and 52: 4.8 Voltage Regulator Circuit Board
Page 53 and 54: 4.11 RF Driver (FM100/FM250) The RF
Page 55 and 56: 4.15 Receiver Circuit Board Option
Page 57 and 58: Section 5—Adjustments and Tests T
Page 59 and 60: Using a Modulation Monitor 1. Set t
Page 61 and 62: 5.3.4 FSK Balance Control An FSK si
Page 63 and 64: 5.8 Bias Set (RF Power Amplifier) T
Page 65 and 66: 5.14 Audio Frequency Response For t
Page 67 and 68: Section 6—Reference Drawings The
Page 70 and 71: 6.2 Board Layouts and Schematics Il
Page 72 and 73: Illustration 6-6 Stereo Generator B
Page 74 and 75: SEE NOTE 10 TOP SIDE COMPONENT MAP,
Page 76 and 77: D 8169-1 Illustration 6-8 RF Meteri
Page 79 and 80: 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9
Page 81 and 82: R27 D 8167-5 Illustration 6-10 Disp
Page 84: 2 4 6 8 3 2 1 1 3 5 7 9 6 5 4 3 2 1
Page 87: R20 R19 Illustration 6-13 Power Amp
Page 92 and 93: F 1 2 3 4 5 6 7 8 ADDED TO PWB (200
Page 96 and 97: Section 7—Service and Support We
Page 98 and 99: Crown Broadcast Three Year Limited
Page 100 and 101: Factory Service Instructions To obt
Page 102 and 103: Transmitter efficiency output RF Po
Page 104 and 105: A B C AF ALC AM bandwidth BCD BFO B
Page 106 and 107: A B C pre-emphasis processing recei
Page 108 and 109: Symbols 19-kHz level adjustment 5-4
Page 110 and 111: L labels 1-10 LEDs 3-5, 4-10 line v
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Crown Low Power Transmitters - Crown Broadcast

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