Veronica 5watt transmitter

Nrg kit blw amp 45watt

Technical Details:

Amplifier type: VHF/FM 2 stage fan cooled

Frequency Coverage: 87.0 to 110 MHz

RF drive requirement: 500mW to 1.25W input range

RF power out: 40watts min. output for 1 watt drive

Harmonic Rejection: Better than -50dB down

Amplifier stages: 2SC1947 Driver + BLW60 final for 1w input

PA stability: Stable through 20:1 swr, all phases

PA device efficiency: 80% at 40 watts output

Supply Voltage required: 13.8 Volt DC regulated

Supply Current requirement: 5 Amp constant at full power output

Polarity Protection: Full crowbar input

Led Indication: DC power in, RF Power out

Dimensions: 175 L x 54 W x 50 H (mm)

RF input/output: Standard PL259 male

Power input: 1.5m red/black 10 amp twin cable

Parts list:

R1=5.6

R2=5.6

R3=470

R4=22

R5=33

R6=33

R7=15

R8=15

R9=330

C1=33p

C2=68p

C3=100p

C4=220p

C5=100p

C6=100p

C7=1N

C8=100p

C9=100p

C10=1N

C11=100p

C12=1N

C13=1N

C14=100N

C15=220N

C16=27p

C17=33p

C18=27p

C19=33p

C20=33p

C21=27p

C22=47uF

C23=27p

C24=1N

C25=1.8p

C26=27p

C27=1N

C28=100p

L1=2 turns coil 5.5 mm i.d. (1.2mm Ag)

L2=bridge 1mm Ag

L3=bridge 1mm Ag

L4=8 turns (0.6mm) on 10mm feritte Bead

L5=4 turns coil 6 mm i.d. (1.2mm)

L6=5 turn coil 6 mm i.d. (1.2mm

L7=5 turn coil 6 mm i.d. (1.2mm)

FB1=5turns Ferrite Bead

FB2=5turns Ferrite Bead

FB3=5turns Ferrite Bead

FB4=5turns Ferrite Bead

D1=1N5408

D2=1N4148

D3=1N4148

T1=2SC1947

T2=BLW60c

VC2=60p Yellow Philips

VC2=60p Yellow Philips

LED1=5mm GREEN Hi-Bright Led

Power Supply 13.8V – 10A